TACTLESS
ADJECTIVES
► ABRASIVE aggressively direct; acting without concern for the feelings of others; brash, tactless, ungentle → 1944
► GAUCHE wanting in tact or in ease and grace of manner; awkward, clumsy → 1751
► UNCOOL tactless, unpleasant, emotional, rude, unsophisticated, unfair → 1953 sl., orig. US
NOUNS
► GAUCHERIE want of tact or grace of manner; awkwardness → 1798
► MALADDRESS want of tact or dexterity; awkwardness → 1804
NOUNS – PERSON
► BOSTHOON a tactless, senseless person, an awkward fellow → 1830 Irish
VERBS
► PUT YOUR FOOT IN IT to do something tactless, to blunder → 1823 UK sl.
Lexicophilia 