
/kəʊˈɪnsɪdəns/ noun [C, U] an amazing/strange coincidence
It was pure coincidence that we both married dentists.

/kəʊˌɪnsɪˈdentəl/ adjective The similarities are coincidental.

/kəʊˌɪnsɪˈdentəli/ adverb Find words and meanings that have just started to be used in English, and let us know what you think of them.