check against - definition and synonyms

phrasal verb [transitive]
present tense
I/you/we/theycheck against
he/she/itchecks against
present participlechecking against
past tensechecked against
past participlechecked against
  1. check something against something to find out whether information is accurate or useful by comparing it with other information

    The police are checking his fingerprints against their database.

See also main entry: check