prime
adj
1 best, capital, choice, excellent, first-class, first-rate, grade A, highest, quality, select, selected, superior, top
2 basic, bog-standard (informal) earliest, fundamental, original, primary, underlying
3 chief, leading, main, predominant, pre-eminent, primary, principal, ruling, senior
n
4 best days, bloom, flower, full flowering, height, heyday, maturity, peak, perfection, zenith
5 beginning, morning, opening, spring, start
vb
6 break in, coach, fit, get ready, groom, make ready, prepare, train
7 brief, clue in (informal) clue up (informal) fill in (informal) gen up (Brit. informal) give someone the lowdown (informal) inform, notify, tell