swell
Preserved but no longer current.
A man of importance; a person with a showy, jaunty exterior, "a rank SWELL," a very flashily dressed person, a man who by excessive dress apes a higher position than he actually occupies. Any one occupying a superior position in society is by the mob called a SWELL. Anything is said to be SWELL or SWELLISH that looks showy, or is many coloured, or is of a desirable quality.
Era: ca. 1874 (Victorian)
Sources & notes
Historical definition reproduced from Hotten’s The Slang Dictionary (1874, public domain; Project Gutenberg #42108, retrieved 2026-07-31). Reflects the attitudes of its era.
Common questions
What does “swell” mean?
A man of importance; a person with a showy, jaunty exterior, "a rank SWELL," a very flashily dressed person, a man who by excessive dress apes a higher position than he actually occupies. Any one occupying a superior position in society is by the mob called a SWELL. Anything is said to be SWELL or SWELLISH that looks showy, or is many coloured, or is of a desirable quality.
Is “swell” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.