fittest (adjective) fit: suitable, appropriate
Sinonime: absorb, belt, bend the elbow, booze, consume, dissipate, down, drain, gargle, gulp, guzzle, hit the bottle, imbibe, indulge, inhale*, irrigate, lap, liquor up, nip, partake of, put away, quaff, sip, slosh, slurp, soak up, sop, sponge, suck, sup, swallow, swig, swill, thirst, tipple, toast, toss off, wash down, wet whistle
Antonime: inadequate,
inappropriate,
incorrect, unfit,
unsuitable, unsuited,
unworthy