What does cohesive mean?
Cohesive describes something that holds together as a single, unified whole. Applied to people, it suggests genuine unity and mutual trust — a cohesive team works smoothly because its members are bound by shared goals. Applied to ideas, arguments, or institutions, it signals consistency and internal coherence. In physics and chemistry, the word has a precise technical meaning: cohesive forces are the attractions that pull molecules of a substance toward each other, as when water forms droplets. The word derives from the Latin cohaerere, meaning 'to stick together,' the same root that gives us 'adhesive' and 'coherent,' which makes its history easy to remember: at heart, it has always been about sticking together. Because unity is generally prized — in organizations, societies, and texts alike — 'cohesive' almost always functions as praise, and it pairs naturally with words like 'team,' 'unit,' and 'whole.' Its opposite is fragmentation: something disjointed or divided is anything but cohesive.
adjectiveTending to stick or hold together; forming a united, consistent whole.
- Holding or tending to hold together as a single, unified whole; characterized by unity or solidarity.
- (Of a substance) having the property of sticking together; physically self-adhering.
"A strong shared purpose kept the team cohesive even under pressure."
"The coach built a cohesive squad whose players trusted one another completely."
"Water's high surface tension results from the strong cohesive forces between its molecules."
Every time you say someone's team is 'cohesive,' you're borrowing from a Latin verb that literally meant to stick like glue — the same root behind 'adhesive.'
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of cohesive
The word comes from the Latin verb cohaerere, meaning 'to stick together,' formed from the prefix co- ('together') plus haerere ('to stick, cling'). English borrowed it in the early modern period, likely via scientific Latin, alongside related terms such as 'cohesion' and 'cohere.' It shares this Latin root with 'adhere,' 'coherent,' and 'inherent.'
Related word forms
How cohesive is actually used
'Cohesive' carries a strongly positive connotation when applied to groups, implying unity and effective cooperation. In scientific contexts it has a neutral, technical meaning referring to intermolecular attraction. It is slightly more formal than everyday alternatives like 'tight-knit.'
Easily confused with cohesive
An adhesive is a substance that physically sticks things together, while cohesive describes things that hold together as a unified whole — and 'cohesive' is figurative far more often than literal.
Coherent means logically consistent and clearly organized (as in speech or writing), whereas cohesive describes parts holding together as one whole.