double-check

English Thesaurus

1. check once more to be absolutely sure (verb.cognition)

hypernym	:	ascertain, assure, check, control, ensure, insure, see, see to it,
definition	:	be careful or certain to do something; make certain of something (verb.cognition)

derivation	:	countercheck, double check,
definition	:	something that checks the correctness of a previous check (noun.cognition)

derivation	:	countercheck, double check,
definition	:	something that checks the correctness of a previous check (noun.cognition)