coherent

UK: /kəʊˈhɪərənt/

US: /koʊˈhɪrənt, -ˈhɛr-/

US: (kō hēr′ənt, -her′-)

WordReference Random House Learner's Dictionary of American English © 2025

co•her•ent /koʊˈhɪrənt, -ˈhɛr-/   adj. 

1. logically connected;
   consistent:
   a coherent speech.
2. speaking, talking, or thinking lucidly:
   The patient is coherent now.
3. having a natural agreement of parts;
   harmonious:
   a coherent design.

co•her•ent•ly, adv. See -here-.

WordReference Random House Unabridged Dictionary of American English © 2025

co•her•ent  (kō hēr′ənt, -her′-), adj. 

1. logically connected;
   consistent:
   a coherent argument.
2. cohering;
   sticking together:
   a coherent mass of sticky candies.
3. having a natural or due agreement of parts;
   harmonious:
   a coherent design.
4. Physics, Optics, Optics of or pertaining to waves that maintain a fixed phase relationship, as in coherent light. Cf. laser.

• Medieval Latin cohērent-, variant of Latin cohaerent- (stem of cohaerēns), present participle of cohaerēre. See cohere, -ent
• 1570–80

co•her′ent•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::

coherent / kəʊˈhɪərənt/ adjective

1. capable of logical and consistent speech, thought, etc
2. logical; consistent and orderly
3. cohering or sticking together
4. (of two or more waves) having the same phase or a fixed phase difference: coherent light

coˈherently adverb