Cogent
adjective /ˈkoʊdʒənt/ — Clear, logical, and convincing.
Definition
Powerfully clear and persuasive; forming a strong and logical argument that is hard to dispute.
Beyond the definition
Cogent is the quality of an argument that doesn't just make sense — it compels agreement. A cogent case leaves no obvious foothold for objection. It's precision in service of persuasion.
Origin & history
From Latin cogens, present participle of cogere (to drive together, to force) — from co- (together) + agere (to drive). A cogent argument gathers all the parts and drives them to the same conclusion.
Example sentences
Illustrative sentences for learning, not verified community posts or sourced quotations.
She made a cogent case for restructuring the entire department.
His argument was cogent enough that even the skeptics in the room fell quiet.
A cogent explanation requires not just clarity but the right order of evidence.
How to use it
This entry uses an adjective. Follow the examples for the nouns it describes and its position in the sentence.
Choose “Cogent” when the meaning fits your context: Powerfully clear and persuasive; forming a strong and logical argument that is hard to dispute.
Synonyms
convincing, compelling, lucid, incisive, sound
Antonyms
weak, unconvincing, muddled, vague, illogical
Related words
- incisive
- compelling
- trenchant
- lucid
Cogent vs compelling
Compelling is the stronger emotional word: an argument that compels feels irresistible, urgent, hard to turn away from. Cogent is more structural — an argument that is cogent is logically sound and clearly organized, leaving little room for objection. You can find an argument compelling without being able to say precisely why; a cogent argument can be analysed and its structure shown to hold. Compelling pulls; cogent convinces.
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Word in the Wild
See how this word appears in life, language and stories.
Illustrative sentences and imagined stories for learning — not verified sightings, interviews, or sourced quotations.
Fictional scene
Clear and Logical Authority

An adult leader calmly reviews a map and architectural model with colleagues.
The leader’s calm review of ordered diagrams makes their argument clear and persuasive. This cogent approach relies on the strength of the evidence and the logical structure of their plan, making the decision hard to dispute or ignore.
Image credit: Wordspun · AI-generated conceptual illustration
Questions about this word
What does "Cogent" mean?
Cogent is adjective meaning: Clear, logical, and convincing.. Powerfully clear and persuasive; forming a strong and logical argument that is hard to dispute.
Where does the word "Cogent" come from?
From Latin cogens, present participle of cogere (to drive together, to force) — from co- (together) + agere (to drive). A cogent argument gathers all the parts and drives them to the same conclusion.