Round up or roundup?
round up is a verb meaning “To collect or gather (something) together”; roundup is a noun meaning “An activity in which cattle are herded together in order to be inspected…”. Use round up as a verb and roundup as a noun. round up is written as two words and roundup as one word; they are used differently.
What is the difference between round up and roundup?
| round up | roundup | |
|---|---|---|
| Part of speech | verb | noun |
| Meaning | To collect or gather (something) together To gather (livestock such as cattle, sheep, geese, etc.) together, such as by encircling them | USAn activity in which cattle are herded together in order to be inspected, counted, branded or shipped The similar police activity of gathering together suspects |
| Example | The city hall needs to round up all the wrongly parked bikes across the city | none recorded |
| Forms | none | roundups |
| Pronunciation | not recorded | not recorded |
| In writing | not counted (the list counts single words) | 1.9 times per million words |
Sources: round up and roundup in the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Every current meaning of round up and roundup
round up
- 1
To collect or gather (something) together
The city hall needs to round up all the wrongly parked bikes across the city
- 2
To gather (livestock such as cattle, sheep, geese, etc.) together, such as by encircling them
In the autumn we round up all the hill sheep and bring them down into the barn
- 3
informalTo arrest or detain a group of people based on collective (rather than individualized) cause or suspicion, often as a form of targeted persecution
During the Holocaust, the Nazis rounded up Jews into ghettos and concentration camps
- 4
To round (a number) to the smallest integer that is not less than it, or to some other greater value, especially a whole number of hundreds, thousands, etc
The total is $24,995 – let's round it up to $25,000
roundup
- 1
USAn activity in which cattle are herded together in order to be inspected, counted, branded or shipped
- 2
The similar police activity of gathering together suspects
- 3
The forcible gathering together of any particular group of people
- 4
The summary to a news bulletin
- 5
An upward curvature or convexity, as in the deck of a vessel
- 6
The finishing of an arrangement
Source: the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); obsolete, archaic, dialect and rare senses left out.
Which is more common, round up or roundup?
round up is a phrase, which the list of single words does not count; roundup 1.9 times per million words.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How many people search round up vs roundup?
“round up vs roundup” is searched about 20 times a month on Google and 10 on Bing in the United States. Google counts close variants of a query together (“roundup vs round up”, “round up or roundup”).
Sources: Google Ads keyword data through DataForSEO and Microsoft Advertising keyword data through DataForSEO, the average month from September 2025 to August 2026.