n. 25B6; adjective
the best hotel in Paris : FINEST, greatest, top, foremost, leading, pre-eminent, premier, prime, first, chief, principal, supreme, of the highest quality, superlative, par excellence, unrivalled, second to none, without equal, nonpareil, unsurpassed, peerless, matchless, unparalleled, unbeaten, unbeatable, optimum, optimal, ultimate, incomparable, ideal, perfect; highest, record-breaking; informal star, number-one, a cut above the rest, top-drawer; formal unexampled.
do whatever you think best : MOST ADVANTAGEOUS, most useful, most suitable, most fitting, most appropriate; most prudent, most sensible, most advisable.
worst.
25B6; adverb
the best-dressed man : TO THE HIGHEST STANDARD, in the best way.
the food he liked best : MOST, to the highest/greatest degree.
this is best done at home : MOST ADVANTAGEOUSLY, most usefully, most suitably, most fittingly, most appropriately; most sensibly, most prudently, most wisely; better.
worst, least.
25B6; noun
only the best will do : FINEST, choicest, top, cream, choice, prime, elite, crème de la crème, flower, jewel in the crown, nonpareil; informal tops, pick of the bunch.
she dressed in her best : BEST CLOTHES, finery, Sunday best; informal best bib and tucker, glad rags.
give her my best : BEST WISHES, regards, kind/kindest regards, greetings, compliments, felicitations, respects; love.
25B6; verb (informal) she was not to be bested : DEFEAT, beat, get the better of, outdo, outwit, outsmart, worst, be more than a match for, prevail over, vanquish, trounce, triumph over; surpass, outclass, outshine, put someone in the shade, overshadow, eclipse; informal lick, get one over on.
25A0; at one's best ON TOP FORM, at one's peak, in one's prime, in the pink, in the best of health.
25A0; do one's best DO ONE'S UTMOST, try one's hardest, make every effort, do all one can, give one's all; informal bend over backwards, do one's damnedest, go all out, pull out all the stops, bust a gut, break one's neck, move heaven and earth.
25A0; had best OUGHT TO, should.