check up on

VERB

ascertain

Synonyms

STRONGEST

confirm determine divine double-check find out verify

STRONG

check dig discover establish eye eyeball fix identify learn peg read see settle size tell

WEAK

catch on check out get down cold get down pat get hold of get it down get the hang of learn the ropes make certain make sure pick up pick up on size up

Antonyms

STRONGEST

disprove invalidate

STRONG

aid assist confuse destroy help ignore look away miss misunderstand neglect overlook unsettle

VERB

verify

Synonyms

STRONGEST

authenticate certify check corroborate demonstrate double-check establish find out justify prove substantiate

STRONG

attest debunk document eye eyeball peg settle size support test try

WEAK

add up bear out check out check up hold up make certain make sure pan out size up stand up

Antonyms

STRONGEST

conceal confuse contradict deny discredit disprove hide invalidate reject

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It added that Maradona’s health team too easily gave in to his demands, resulting in nurses failing to regularly check up on him.

From The Wall Street Journal • Apr. 16, 2026

Minutes after AFP met with him, a flurry of officials arrived to "check up" on his welfare.

From Barron's • Oct. 14, 2025

Unable to visit, relatives kept on calling to check up on her and the baby.

From BBC • Dec. 13, 2024

"Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors," the NWS said.

From Reuters • Jul. 28, 2023

“If any of you would like to check up on your children,” announced Dr. Zinchenko, “please join us in the adjoining room.”

From "Escape from Mr. Lemoncello's Library" by Chris Grabenstein

check up on

Example Sentences

Related Words