English UsageComparison guide
Labeled vs. Labelled
“Labeled” and “labelled” are regional spellings of the same past-tense/past-participle and adjective forms of “label”; Cambridge explicitly marks the US/UK distinction.
Use “labeled” in ordinary US English and “labelled” in ordinary UK English.
Key details
Confusion Familyregional-inflection
Rule Familyregional-orthography
Termslabeled, labelled
Variant ScopeCambridge marks “labelled” as UK and “labeled” as the usual US spelling for the past form/adjective.
Further guidance
Core difference
The forms have the same grammatical functions; the spelling differs by regional convention.
Inflection Boundary
Use the regional spelling consistently in running prose, while preserving official names and quoted text.
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.
- Label — Cambridge Dictionary (opens in a new tab)Cambridge Dictionary · Label verb inflection with -ll- and US usually -l-; labelled/labeled forms