Breakup vs. Break Up
“Break up” is a phrasal verb, while “breakup” is a noun for an ending, separation, or division. Cambridge also records the hyphenated noun “break-up,” so noun styling can vary even though the verbal form remains two words.
Use “break up” as a verb (“They broke up”). Use “breakup” as a noun (“the breakup”); “break-up” is also a dictionary-recorded noun variant.
Key details
Choose the right form
| If you mean / need | Use | Why |
|---|---|---|
| the action of ending or separating | break up | It is the phrasal verb. |
| the ending or separation as a thing | breakup / break-up | These are noun spellings recorded by Cambridge. |
Further guidance
Core difference
Use “break up” when it is a verb. Use “breakup” as a noun in closed-form style; Cambridge also records “break-up” as a noun variant.
Fast Test
“They broke up” is verbal and takes two words. “The breakup was difficult” names the event and uses a noun form.
Style Boundary
Noun spelling can vary between closed “breakup” and hyphenated “break-up,” so do not turn one dictionary-supported noun style into a universal rule.
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
- Breakup — English meaning (opens in a new tab)Cambridge University Press · Dictionary noun record for breakup
- Break up — English meaning (opens in a new tab)Cambridge University Press · Dictionary phrasal-verb and noun-variant record for break up / break-up