check up

check up (third-person singular simple present checks up, present participle checking up, simple past and past participle checked up)

1. (Can we verify⁽⁺⁾ this sense?) Used in a phrasal verb: check up on (“to verify through brief investigation or revisit for assurance that there are no problems”).

   I dropped by to check up on my friend.

2. To verify something's accuracy.

   He's checking up the figures.

3. To seem correct or plausible; to comport with known facts; to check out (with other facts).

   The numbers she provided check up with my own data.

• checkup
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