VERBS be, feel, look, seem | remain, stay Exercise is important if you want your muscles to stay firm. | make sth Use extra stuffing to make the cushions firmer. | keep sth exercises to keep your muscles firm
ADV. very | fairly, quite, reasonably
2 not likely to change
VERBS be, sound | hold, remain, stand Jo held firm: nothing else would do. We stand firm on these principles.
ADV. very | fairly, quite
PREP. with I have always been quite firm with my children.