(ˈ) ̷ ̷| ̷ ̷ ̷ ̷|dent ə l adjective
Etymology: coincident (II) + -al
: being or resulting from a coincidence
similarity between the two texts is too consistent to be coincidental
: characterized by coincidence : occurring or existing at the same time
rebellion in Burma was coincidental with … insurrection in Malaya — W.B.Hamilton
• co·in·ci·den·tal·ly -t(ə)lē, -li adverb