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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.

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check up on

One soldier told the Chileans they had orders to check up on the foreign search-and-rescue teams because they could be “Yankee spies,” Lermanda said in a video interview with local journalists.

From The Wall Street Journal ● Jun. 30, 2026

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

When Pranom entered rehab, her friend kept watch over her son and often asked Pathomrit to check up on her.

From Los Angeles Times ● Nov. 21, 2025

Putting aside the logistical question of how the Home Office will find the resources to constantly check up on people, the aim is to encourage people to go home if conditions improve.

From BBC ● Nov. 17, 2025

More commonly, owners will arrange to be home when we come so they can check up on us while we work.

From "Nickel and Dimed: On (Not) Getting By in America" by Barbara Ehrenreich

check up on

Example Sentences

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