OFFHAND

Offensively nonchalant (7)

Solution has appeared in 2 crosswords (0 across and 2 down):

• Quick crossword No 16,121 — 2022-01-07 00:00:24
  4D: Casually inconsiderate (7)
• Quick crossword No 15,773 — 2020-11-25 00:00:12
  14D: Offensively nonchalant (7)