check up
verb
check up is a verb meaning “To verify through brief investigation or revisit for assurance that there are no problems” (English Wiktionary, September 2026). It is spelled C-H-E-C-K-U-P.
What does check up mean?
verb
- 1
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.
noun
- 1
Alternative form of checkup.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of check up
- checks up present, singular, he/she/it
- checking up participle, present
- checked up participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Words people confuse with check up
Word pairs people search, with the monthly searches for “a vs b” (G: Google, B: Bing, United States).
Also written: checkup (one word or two).
Sources: Google and Bing searches (September 2025 to August 2026, through DataForSEO); English Wiktionary (homophones, alternative spellings).
Check up in Spanish, French, German and Portuguese
In the sense to verify through examination:
| Language | Words |
|---|---|
| German | überprüfen, nachsehen, nachschauen |
| Spanish | revisar |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does check up come from?
Deverbal from check up.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).