coincidental

Academic Word List, sublist 9.

About 0.97 uses per million words.

Meaning

1. adjective Occurring as or resulting from coincidence.
2. adjective Happening or existing at the same time.

Similar words

simultaneous concurrent coincident coinciding synchronous synchronic synchronal at the same time cooccurring concomitant

Often followed by

that with and to or but in ly events

Word family

coincide coincided coincidence coincidences coincident coincides coinciding