Criticize vs. Criticise
“Criticize” and “criticise” are spelling variants of the same verb. Cambridge uses “criticize” as the entry form and marks “criticise” as the usual UK variant, so neither spelling represents a different meaning.
Both spellings are valid regional forms. Use “criticize” in US-oriented style; Cambridge marks “criticise” as usual in UK English.
Key details
Choose the right form
| Meaning / situation | Form / construction | Decision |
|---|---|---|
| US-oriented spelling | criticize | Use the -ize form. |
| UK-oriented spelling | criticise | Cambridge marks this as the usual UK variant. |
| a publication specifies its own house spelling | follow house style consistently | The spelling difference does not change the verb’s meaning. |
Quick tests
Meaning / construction test
Is the document using US English?
If yes: Use “criticize.”
If no: For UK English, “criticise” is a usual form; follow the publication’s style.
Caveat: These are regional spelling variants of the same verb; do not present one as a different meaning.
Examples
US editors may criticize the wording.
The sentence uses the US-oriented spelling.
UK editors may criticise the wording.
The sentence uses the usual UK variant.
The guide uses “criticize” consistently throughout its US edition.
Consistency follows the declared variety.
Further guidance
Core difference
The -ize and -ise forms refer to the same verb meaning to express disapproval or judgment.
Style Boundary
Use the spelling convention required by the publication, locale, or house style and stay consistent.
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.
- criticize — Cambridge Dictionary (opens in a new tab)Cambridge Dictionary · Regional spelling evidence: criticize, with UK usually criticise