to occur or exist simultaneously to be identical in nature, character, etc to agree
WordReference Random House Learner's Dictionary of American English © 2025
co•in•cide /ˌkoʊɪnˈsaɪd/USA pronunciation
v., -cid•ed, -cid•ing.
WordReference Random House Unabridged Dictionary of American English © 2025- to occupy the same place or time: [no object]Our vacations coincided this year.[~ + with + object]My vacation didn't coincide with my children's.
- (of two objects) to correspond exactly: [no object]The two triangles I cut out coincide.[~ + with + object]This one coincides with the other.
- to agree;
concur: [no object]Our opinions coincide more often than not.[~ + with + object]My opinion didn't coincide with hers this time.
co•in•cide
(kō′in sīd′),USA pronunciation v.i., -cid•ed, -cid•ing.
- to occupy the same place in space, the same point or period in time, or the same relative position:The centers of concentric circles coincide. Our vacations coincided this year.
- to correspond exactly, as in nature, character, etc.:His vocation coincides with his avocation.
- to agree or concur, as in thought or opinion:Their opinions always coincide.
- Medieval Latin coincidere, equivalent. to Latin co- co- + incidere to befall; see incident
- 1635–45
- 3.See corresponding entry in Unabridged accord, correspond, match, tally, jibe, square.
- 3.See corresponding entry in Unabridged differ, contradict.
Collins Concise English Dictionary © HarperCollins Publishers::
'coinciding' also found in these entries (note: many are not synonyms or translations):
building line
- coincidence
- coincident
- congruent
- conjunction
- milk fever
- synchronous
- time zone