'Coincidental' definitions:
Definition of 'coincidental'
From: WordNet
adjective
Occurring or operating at the same time; "a series of coincident events" [syn: coincident, coincidental, coinciding, concurrent, co-occurrent, cooccurring, simultaneous]
Definition of 'Coincidental'
From: GCIDE
- Coincidental \Co*in`ci*den"tal\, a. Coincident. [1913 Webster]