English UsageComparison guide
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
Confusion Familyregional-variant
Termscriticize, criticise
Variant Scopesame verb; Cambridge marks UK usually criticise
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