Cambridge labels “marvellous” as UK and “marvelous” as US; the spelling difference does not create a meaning difference. This guide treats the pair as a documented spelling or inflection convention rather than inventing a meaning difference where none is supported.
ReviewedEvidence1 sourceSectionEnglish Usage
Quick answer
Use “marvelous” in US English and “marvellous” in UK English.
Key details
Confusion Familyregional-variant
Rule Familyregional-orthography
TermsMarvelous, Marvellous
Variant ScopeCambridge labels “marvellous” as UK and “marvelous” as US; the spelling difference does not create a meaning difference.
Further guidance
Core difference
Use “marvelous” in US English and “marvellous” in UK English.
Style Boundary
Choose the form that matches the documented regional or lexical convention, and keep the spelling consistent 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.
Cambridge labels “counseling” as US and “counselling” as the usual UK spelling for the noun/process. This guide treats the pair as a documented spelling or inflection convention rather than inventing a meaning difference where none is supported.
Cambridge marks the verb with -ll- in UK usage and usually -l- in US usage, producing “dialled” and “dialed.” This guide treats the pair as a documented spelling or inflection convention rather than inventing a meaning difference where none is supported.
Cambridge marks the verb with -ll- in UK usage and usually -l- in US usage, so “fuelling” is the usual UK form and “fueling” the usual US form. This guide treats the pair as a documented spelling or inflection convention rather than inventing a meaning difference where none is supported.
Cambridge labels “paneling” as US and “panelling” as UK for the noun referring to fitted panels or panel material. This guide treats the pair as a documented spelling or inflection convention rather than inventing a meaning difference where none is supported.
The verb “quarrel” follows a regional doubling pattern: “quarrelled” is standard UK spelling, while “quarreled” is the usual US spelling. This guide treats the pair as a documented spelling or inflection convention rather than inventing a meaning difference where none is supported.
Cambridge marks the verb with -ll- in UK usage and usually -l- in US usage, yielding forms such as signalled/signalling and signaled/signaling. This guide treats the pair as a documented spelling or inflection convention rather than inventing a meaning difference where none is supported.
