ONANDOFF

Intermittently (2,3,3)

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

• Quick crossword No 15,854 — 2021-03-01 00:00:08
  17A: Sometimes (2,3,3)
• Quick crossword No 15,288 — 2019-05-07 23:00:09
  12A: Intermittently (2,3,3)