SMUG, SMUGNESS
ADJECTIVES
► FAT self-obsessed, smug → 1907 sl.
► SHIT-EATING smug, self-satisfied → 1956 sl.
► SMARMY smug, self-satisfied; overly sentimental → 1909 colloq.
► SMART-ALECKY ostentatiously or smugly clever → 1889 colloq., orig. US
► SMIRK neat, trim, spruce in dress or appearance; pleasant; agreeable; smug → 1534
NOUNS
► COCKINESS a personal quality of smug over-confidence → 1864
► SMART-ALECKISM ostentatious or smug cleverness → 1886 colloq., orig. US
► SMART-ALECKRY ostentatious or smug cleverness → 1918 colloq., orig. US
► SMUGGERY smugness → 1928
NOUNS – PERSON
► ALECK a smug, unpleasant, conceited person → 1919 sl.
► SMART ALEC ► SMART ALECK ► SMART ALICK ► SMART ELICK a person who is, or wishes to seem clever and knowing, but is regarded as annoyingly smug or obnoxious; a know-all → 1864 colloq., orig. US
► SMART APPLE a person who is or wishes to appear clever or knowledgeable, but is regarded as smug and annoying; a smart alec → 1940 US colloq.
► SMUG a smug or self-satisfied person → 1891
► WISEASS a smug, insolent person → 1971 US sl.
VERBS
► SMART-ARSE to speak or behave in an ostentatiously or smugly clever manner → 1982 sl.
Lexicophilia 