Synonyms of 'coincidence'
1 chanceDictionary, accident, luck
By an amazing coincidence, their sons were all born on the same day.
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If something happens by accident, it happens completely by chance.
She discovered the problem by accident.
A conjunction of two or more things is the occurrence of them at the same time or place.
This is due to a conjunction of religious and social factors.
Thesaurus for coincidence from the Collins English Thesaurus
A coincidence is when two or more similar or related events occur at the same time by chance and without any planning .