Sic vs. Sick – Which is Correct?

“Sic” (from Latin, meaning “thus”) is a Latin adverb used as an editorial notation, typically in brackets, to indicate that a quoted passage contains an error, unusual spelling, or archaic language exactly as it appeared in the original source. In contrast, “sick” is a common English word, primarily an adjective meaning unwell, ill, or nauseated. It can also function as a verb meaning to vomit or as a slang term for something excellent. Both words are correct but serve entirely different linguistic functions.

Sic or Sick – Which is Correct?

Both “sic” and “sick” are correct words in the English language, but they have completely different meanings and uses. The confusion often arises from their similar appearance, leading to incorrect usage or a misunderstanding of “sic” as a misspelling of “sick.”

• Sic: This is a Latin adverb meaning “thus” or “so.” In English writing, it is used as an editorial mark, typically enclosed in brackets ([sic]), to inform the reader that a preceding word or phrase, particularly one that appears incorrect or unusual, is reproduced exactly as it was found in the original source. It’s a way for the transcriber or editor to disclaim responsibility for any error or peculiarity in the quoted text.
• Sick: This is a versatile English word. Most commonly, it’s an adjective meaning unwell, ill, or nauseated. It can also be used as a verb meaning to vomit, or colloquially as an adjective meaning excellent, impressive, or cool.

The Best Trick to Remember the Difference

To remember the difference, think of the origin and purpose:

To further clarify usage, a detailed comparison of Ill vs. Sick can help distinguish between these closely related terms.

• S-I-C: The ‘I’ and ‘C’ in sic can stand for “in citation” or “incorrect copy.” This reminds you that sic is used when quoting something verbatim, especially if it contains an error, from another source. It’s a formal, editorial mark.
• S-I-C-K: The ‘K’ in sick can make you think of a “kough” (cough) or feeling “knocked out” from illness. This reinforces its primary meaning related to health.

Word	Part of Speech	Meaning	Example
Sic	Adverb/Editorial Mark	Indicates an error, unusual spelling, or archaic language in a quoted text is original to the source.	The document stated, “The budget was deficited [sic] by millions.”
Sick	Adjective	Unwell; ill; nauseated. (Slang: excellent, impressive)	I feel sick today and can’t go to work. (Slang) That new song is sick!
Sick	Verb	To vomit.	The cat sicked up on the rug.
Sick	Noun	Vomit.	There was sick on the floor after the party.

How to Use Sic

The word “sic” is an important tool in formal writing, particularly in academic papers, journalism, and legal documents, where precise quotation is paramount. It is always used in square brackets, [sic], immediately following the word or phrase it refers to within a quotation. Its purpose is to assure the reader that the quoted text is reproduced exactly as it appeared in the original source, even if it contains a grammatical error, misspelling, factual inaccuracy, or archaic usage. By using [sic], the writer indicates awareness of the issue but maintains fidelity to the original text. It should be used sparingly and only when necessary to avoid implying criticism of the original author.

Example 1: The historical document stated, “The general’s regin [sic] was marked by several victories.”

Example 2: In her testimony, she claimed, “I seen [sic] him leave the building around midnight.”

Example 3: The scientific paper cited a source that controversially argued, “The Earth is flat, as demonstraded [sic] by early explorers.”

Etymology of the word Sic

The word “sic” comes directly from Latin, where it means “thus,” “so,” or “in this manner.” Its use as an editorial annotation in English began in the 17th century, primarily to indicate that a quoted passage, despite appearing incorrect or unusual, was reproduced exactly as found in the original source. It has remained a standard practice in formal writing to uphold textual integrity.

How to Use Sick

“Sick” is a common and versatile English word with several meanings depending on its part of speech and context. As an adjective, its primary meaning is to be unwell, ill, or nauseated. It describes a state of poor health. Colloquially, especially among younger generations, “sick” is also widely used as slang to mean excellent, impressive, or cool. As a verb, “sick” means to vomit, and as a noun, it refers to vomit itself. Its usage varies from formal medical contexts to casual everyday conversation.

Example 1: (Adjective – unwell) He woke up feeling extremely sick and couldn’t go to school.

Example 2: (Verb – to vomit) The toddler sicked up his entire breakfast on the carpet.

Example 3: (Slang Adjective – excellent) Did you see that skateboarder’s trick? It was absolutely sick!

What are the different forms of sick?

As an adjective, “sick” has comparative and superlative forms:

• Positive: sick (e.g., “I am sick.”)
• Comparative: sicker (e.g., “I feel sicker today than yesterday.”)
• Superlative: sickest (e.g., “This is the sickest I’ve ever felt.”)

As a verb, “sick” (meaning to vomit) conjugates like a regular verb:

• Base form: sick (e.g., “The baby might sick up.”)
• Third-person singular present: sicks (e.g., “He sicks up easily.”)
• Present participle: sicking (e.g., “The cat is sicking on the rug.”)
• Past tense/Past participle: sicked (e.g., “She sicked all over her shoes.”)

As a noun, “sick” (referring to vomit) is generally uncountable.

Etymology of the word Sick

The English word “sick” has deep roots in Germanic languages. It originated from the Old English word sēoc, which meant “ill, diseased, infirm.” This, in turn, derived from the Proto-Germanic *seukaz. Its meaning has remained largely consistent over centuries, referring to a state of poor health. The slang usage of “sick” to mean “excellent” is a much more recent development, emerging in the 20th century.

Related Concepts

Understanding broader linguistic concepts can help clarify the distinct roles of “sic” and “sick” and prevent their confusion.

• Latinisms in English: Many English words and phrases, particularly in formal or academic contexts, are direct borrowings or derivations from Latin, such as “sic.” Recognizing these Latinisms helps in understanding their precise, often specialized, meanings and appropriate usage.
• Contextual Usage: The meaning and correct application of words, even those that look similar, are heavily dependent on context. Paying close attention to the surrounding words, the tone of the communication, and the intended audience is crucial for differentiating between words like “sic” (an editorial tool) and “sick” (a descriptive term).

Examples from Media and Literature

• In a historical transcription: “The monarch’s speech, delivered on May 10, 1660, ended with the phrase, ‘God save the King and his loyal subjects, forever more, amen [sic].'” (Indicating a period-specific, slightly unusual punctuation or phrasing maintained from the original.)
• From a news report quoting a public statement: “The official press release stated, ‘Our goal is to eleviate [sic] poverty in the region,’ highlighting the original typo.”
• From a novel: “She felt a wave of nausea wash over her, a truly sick feeling that made her rush to the bathroom.”
• From a movie review: “The special effects in the new superhero film were absolutely sick, pushing the boundaries of CGI.”
• From a medical journal: “Patients presenting with these symptoms were diagnosed as being acutely sick and required immediate hospitalization.”

Practice Exercises

Choose the correct word to complete the sentence.

1. The editor inserted [_____] after the misspelling in the quoted paragraph.
2. After eating the questionable seafood, I started to feel very _____.
3. My younger brother thinks his new sneakers are absolutely _____.
4. The transcript read, “He was definately [_____] going to attend the conference.”
5. She called in _____ to work because she had a high fever.

Answer Key

1. sic
2. sick
3. sick
4. sic
5. sick

Sic Synonyms

While “sic” doesn’t have direct synonyms in the traditional sense, as it serves a unique editorial function, its meaning can be conveyed through descriptive phrases that indicate fidelity to the original text.

Synonym / Equivalent Phrase	Definition
Thus	In this manner; as shown or indicated. (The literal Latin meaning.)
So	In the way or manner described or indicated.
As written	Exactly as it appeared in the original text.
Verbatim (implied function)	In exactly the same words as were used originally.

Sick Synonyms

“Sick” has a wide range of synonyms depending on the specific nuance of its meaning, whether it refers to illness or its slang usage.

Synonym	Definition
Ill	Suffering from an illness or disease.
Unwell	Not in good health.
Nauseous	Feeling as if you are about to vomit.
Ailing	In poor health, typically over a prolonged period.
Queasy	Feeling sick to the stomach; slightly nauseous.
(Slang) Cool	Fashionably attractive or impressive.
(Slang) Awesome	Extremely impressive or daunting.

Frequently Asked Questions

Question 1: Is “[sic]” always used to point out mistakes?
While most commonly used to highlight errors or misspellings in quoted text, “[sic]” broadly indicates that the quoted text is exactly as it appeared in the original. This includes unusual phrasing, archaic language, or dialect, not just outright mistakes. Its primary function is to confirm the fidelity of the quotation to its source.

Question 2: Can “sick” be used as a compliment?
Yes, colloquially, “sick” is widely used as slang to mean excellent, impressive, or cool, particularly among younger generations. For example, “That new video game’s graphics are sick!” or “Did you see his sick skateboard trick?”

Question 3: What’s the difference between “sic” and “syc”?
“Sic” is the correct Latin adverb used as an editorial mark to denote an exact quotation, even with errors. “Syc” is not a recognized English word and is almost certainly a misspelling or typo for “sic,” likely due to phonetic confusion or a simple typing error.

Conclusion

The distinction between “sic” and “sick” is clear: “sic” is an editorial notation from Latin used to affirm the exact reproduction of a quoted text, often highlighting an original error or peculiarity, while “sick” is a common English word primarily meaning unwell, but also serving as a verb for vomiting or a slang term for excellence. Mastering these distinct uses is crucial for clear and effective communication.

Pro Tip: Always consider the context and your intention. If you’re quoting text verbatim and want to acknowledge an original inaccuracy without correcting it, use [sic]. If you’re describing health or expressing admiration, “sick” is your word. Using them correctly enhances your credibility and ensures your message is accurately understood, reinforcing a professional and precise communication style.