ANTONYM

As 'happy' is to 'sad' or 'long' to 'short' (7)

Solution has appeared in 2 crosswords (1 across and 1 down):

• Quick crossword No 15,787 — 2020-12-11 00:00:12
  12D: Word opposite in meaning (7)
• Quick crossword No 15,535 — 2020-02-21 00:00:38
  14A: As 'happy' is to 'sad' or 'long' to 'short' (7)