Search Result for "coincidental": 
Wordnet 3.0

ADJECTIVE (1)

1. occurring or operating at the same time;
- Example: "a series of coincident events"
[syn: coincident, coincidental, coinciding, concurrent, co-occurrent, cooccurring, simultaneous]



The Collaborative International Dictionary of English v.0.48:

Coincidental \Co*in`ci*den"tal\, a.
   Coincident.
   [1913 Webster]


WordNet (r) 3.0 (2006):

coincidental
    adj 1: occurring or operating at the same time; "a series of
           coincident events" [syn: coincident, coincidental,
           coinciding, concurrent, co-occurrent,
           cooccurring, simultaneous]