most wellspent (adjective) fruitful: productive
Sinonime: bad-mouth, blister, criticize, cut down to size, cut to the quick, decry,
deprecate,
depreciate,
deride, derogate,
diminish,
discount,
discredit, disparage, dispraise, downgrade,
downplay, dump on, knock*,
lower,
minimize, pan, pooh pooh, poor mouth, put down, rip*, roast, run down, scoff at,
scorch*,
scorn, shoot down, shoot full of holes, slam*, smear, sneer at, sour grapes, squash, squelch, take a swipe at, take down, take down a peg, tear down,
underestimate, underrate, undervalue, write off
Antonime: build up,
exaggerate,
praise,
value