Lack vs. Lack of – Which is Correct?
Lack and lack of are both correct, but they serve different grammatical roles. Lack can function as a noun or verb: “a lack of evidence” or “They lack evidence.” Lack of is a noun phrase meaning “an absence or insufficient amount of” and must be followed by a noun or gerund directly.
Lack or Lack of – Which is Correct?
Lack and lack of are both correct expressions, but they are not interchangeable in every sentence. Lack can be used as a noun or a verb. As a noun, it means an absence or insufficient amount of something. As a verb, it means to be without something.
Lack of is a noun phrase. It introduces the thing that is absent, insufficient, or unavailable and is normally followed by a noun, pronoun, or gerund. For example, “The project failed because of a lack of funding” uses lack of before the noun funding.
Use lack as a verb when the subject directly does not have something: “The team lacks experience.” Use lack of when you need a noun phrase: “The team’s lack of experience caused problems.”
The Best Trick to Remember the Difference
Use the subject test: if a person, organization, or thing is directly “without” something, use lack as a verb. If you are naming the absence itself, use lack of.
Compare these equivalent sentences:
- Verb: “The company lacks qualified workers.”
- Noun phrase: “The company has a lack of qualified workers.”
A useful swap test is to replace lack with do not have. If the replacement works, lack is probably acting as a verb. If the sentence refers to “the absence of” something, lack of is usually the better choice.
| Word | Part of Speech | Meaning | Example |
|---|---|---|---|
| lack | Noun or verb | An absence; or to be without something | “The plan lacks detail.” |
| lack of | Noun phrase | An absence or insufficient amount of something | “The delay resulted from a lack of staff.” |
How to Use Lack
Lack has two common grammatical uses. As a verb, it means “to be without” or “not to have enough of” something. In this use, the subject comes before lack, and the missing thing usually comes after it. For example, “The proposal lacks supporting evidence.”
As a noun, lack means an absence, shortage, or deficiency. It can appear after an article, possessive, or other determiner, as in “a lack of confidence,” “her lack of preparation,” or “this lack of clarity.” The noun use is common in formal, academic, professional, and everyday writing.
Example 1: The report lacks sufficient detail.
Example 2: His lack of preparation affected his performance.
Example 3: The plants died because they lacked water.
Etymology of the Word Lack
Lack comes from Middle English lak or lac, meaning a deficiency, shortage, or failing. It is related to Scandinavian words such as Old Norse laka, meaning to be lacking or defective. Over time, English developed both the noun meaning “absence” and the verb meaning “to be without.”
When discussing absence, remember that spelling matters; Absence vs. Absense clarifies the correct form.
How to Use Lack Of
Lack of functions as a noun phrase meaning “the absence of,” “the shortage of,” or “the insufficient amount of.” It must normally be followed by the thing that is missing. That thing may be a noun, pronoun, or gerund.
Use lack of after an article or determiner when the absence itself is the subject, object, or complement of a sentence. Common structures include a lack of time, the lack of access, their lack of interest, and because of a lack of funding.
Example 1: The lack of reliable data made the conclusion difficult to support.
Example 2: She missed the deadline because of a lack of time.
Example 3: Their lack of interest surprised the instructor.
Etymology of the Phrase Lack Of
The phrase lack of combines the noun lack, meaning an absence or deficiency, with the preposition of. The preposition connects the absence to the thing that is missing. Because lack of is a combination of ordinary English words rather than a separate word, it does not have unique verb forms or plural forms.
Related Concepts
Understanding the difference between verbs, nouns, and noun phrases makes it easier to choose between lack and lack of.
- Transitive verbs: A transitive verb takes a direct object. When lack is a verb, the missing thing is its object: “They lack experience.”
- Abstract nouns: A noun can name an idea or condition rather than a physical object. In “a lack of patience,” lack names the condition of not having enough patience.
- Noun phrases: A noun phrase is a group of words centered on a noun. Lack of funding is a noun phrase because lack is the main noun and of funding completes its meaning.
- Count and noncount nouns: The noun following lack of is often uncountable, such as time, money, or information, but it can also be plural and countable, as in a lack of resources.
Examples from Media and Literature
The following examples reflect common ways that writers, journalists, and storytellers use lack and lack of to describe absence, shortage, or deficiency.
- News reporting: A report may discuss “a lack of affordable housing” when explaining a shortage that affects a community.
- Business writing: A company review may state that “the organization lacks a clear strategy,” using lack as a verb.
- Historical writing: A historian may refer to “a lack of reliable records” when explaining why an event is difficult to document.
- Fiction: A character may be described as lacking confidence, while the narrative refers to “a lack of confidence” as a personal obstacle.
- Film criticism: A reviewer might write that a movie “lacks emotional depth” or criticize its “lack of originality.”
Practice Exercises
Choose the correct word or phrase to complete each sentence.
- The laboratory ___ the equipment needed for the experiment. (lack / lacks / lack of)
- The project was delayed because of a ___ funding. (lack / lack of)
- Her ___ attention to detail caused several errors. (lack / lack of)
- Many rural communities ___ dependable internet access. (lack / lack of)
- A ___ sleep can affect concentration and memory. (lack / lack of)
Answer Key
- lacks — The subject “laboratory” directly does not have the equipment.
- lack of — The phrase is followed by the noun “funding.”
- lack of — The sentence names the absence of attention.
- lack — “Communities lack” uses the verb form.
- lack of — The phrase is followed by the noun “sleep.”
Lack Synonyms
| Synonym | Definition |
|---|---|
| Absence | The state of not being present or available |
| Shortage | A supply that is less than what is needed |
| Deficiency | An insufficiency or failure to meet a required standard |
| Want | A formal or literary term for a lack or need |
| Be without | To not possess or have access to something |
Lack Of Synonyms
| Synonym | Definition |
|---|---|
| Absence of | The state of something not being present |
| Shortage of | An insufficient supply of something |
| Deficiency of | An inadequate amount or level of something |
| Insufficiency of | A formal expression for an amount that is not enough |
| Dearth of | A serious or noticeable shortage of something |
Frequently Asked Questions
Question 1: Is “lack of” grammatically correct?
Yes. Lack of is a standard noun phrase used to describe the absence or insufficient amount of something, as in “a lack of evidence.”
Question 2: Should I write “they lack experience” or “they lack of experience”?
Write “They lack experience.” In this sentence, lack is a verb. Do not add of after the verb. You can also write “They have a lack of experience,” although “They lack experience” is usually more concise.
Question 3: What is the difference between “lack” and “lack of”?
Lack can be a verb or a noun, while lack of is a noun phrase. Use “The school lacks funding” for the verb and “The school has a lack of funding” for the noun phrase.
Conclusion
Lack and lack of are both correct, but their grammatical roles differ. Use lack as a verb when a subject does not have something, as in “The team lacks experience.” Use lack of as a noun phrase when naming an absence or shortage, as in “a lack of experience.” Pro Tip: Choosing the precise form improves clarity and helps maintain a polished, professional reputation in formal writing.
