coincidental

adjective co·in·ci·den·tal \(ˌ)kō-ˌin(t)-sə-ˈden-t^əl\

: happening because of a coincidence : not planned

Full Definition of COINCIDENTAL

: resulting from a coincidence <a coincidental resemblance>

: occurring or existing at the same time <coincidental deaths>

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circa 1800

Synonyms: coetaneous, coeval, coexistent, coexisting, coextensive, coincident, contemporary, concurrent, contemporaneous, coterminous, simultaneous, synchronic, synchronous

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