How to Use Disinterested vs. Uninterested (Word Choice)

August 6, 2025
5 min read
By Yash, D

To say you're disinterested means you do not have a stake, or stand to gain nothing, without a vested interest. Uninterested just means you don't care.

How to Use Disinterested vs. Uninterested (Word Choice)

Disinterested vs. uninterested

Disinterested and uninterested are two words, (which are adjectives), which people sometimes conflate in conversation and writing.

Word Sentence Example
disinterested The arbitrator was a disinterested party, chosen by both sides to ensure a fair resolutionined.
uninterested She seemed uninterested in my story.

When to use disinterested vs. uninterested

Disinterested and uninterested are both adjectives:

  • Disinterested means “impartial” or “indifferent” (i.e., not having a vested interest).
  • Uninterested means “not interested in”.
Examples: “disinterested” in a sentence Example: “uninterested” in a sentence
Let a disinterested person judge our dispute. This person is obviously uninterested in our dispute.

Meaning of disinterested & uninterested

To be disinterested means to “not having the mind or feelings engaged“. Or, to be uninfluenced by personal feelings, or by the chance of getting some advantage for yourself. (E.g., her advice appeared to be disinterested. I was merely a disinterested spectator in the whole affair.

“Disinterested”, used in sentences

Examples: “disinterested” used in sentences
A solicitor can give you disinterested advice.

Her advice appeared to be disinterested.

I was merely a disinterested spectator in the whole affair.

her father was so disinterested in her progress that he only visited the school once

“Uninterested”, used in sentences

Examples: “uninterested” in sentences
He is completely uninterested in politics.

He was totally uninterested in sport.

She seemed cold and uninterested.

She was completely uninterested in her sister’s career.

💡Study Tip

Think “disinterested” means your personal interest is *dis*connected (impartial). “Uninterested” means you are simply “not” interested.

Synonyms & nearby words

Synonyms for disinterested

unbiased impartial indifferent insouciant objective separate from apathetic unconcerned

Synonyms for uninterested

apathetic indifferent listless bored unconcerned

Etymology of “disinterested”/”uninterested”

1640s, “unbiased,” from un- (1) “not” + past participle of interest (v.). It later meant “disinterested” (1660s); sense of “unconcerned, indifferent” is recorded from 1771. This is the correct word for what often is miscalled disinterested.
1610s, “unconcerned” (the sense that now would go with uninterested), from dis- “opposite of” + interested.

Worksheet: word choice

Question 1 of 5

A judge must remain ______ in all cases.


He seemed ______ in the topic and kept looking at his phone.


We need a ______ opinion on this matter.


She was ______ in the outcome and left early.


A ______ party can help resolve disputes fairly.




FAQs

Are ‘disinterested’ and ‘uninterested’ interchangeable?
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No, the post clarifies they have different meanings. Disinterested means impartial or having no vested interest, like a judge. Uninterested means simply not interested in something, like a story.

What does ‘disinterested’ mean?
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According to the post, ‘disinterested’ means impartial, uninfluenced by personal feelings, or not having a vested interest. Think “personal interest is *dis*connected.”

What does ‘uninterested’ mean?
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The post states ‘uninterested’ means simply ‘not interested in’. It describes someone unconcerned or lacking interest in something, like being uninterested in politics or a story.

Give an example of correct ‘disinterested’.
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The post gives examples like: “The judge was disinterested in the case” (meaning impartial) or “A solicitor can give you disinterested advice” (meaning unbiased).

Give an example of correct ‘uninterested’.
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The post gives examples like: “She seemed uninterested in my story” or “He is completely uninterested in politics.” It means simply not interested.
Sources
  1. The Elements of Style, Strunk & White (always).

Yash, D. "How to Use Disinterested vs. Uninterested (Word Choice)." Grammarflex, Sep 11, 2025, https://grammarflex.com/disinterested-vs-uninterested/.

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