Synonyms of flounder in English:

flounder


See definition of flounder

verb

1‘the dragoons were floundering in the boggy ground’

SYNONYMS
struggle, thrash, thresh, flail, toss and turn, twist and turn, pitch, splash, stagger, stumble, falter, lurch, blunder, fumble, grope, squirm, writhe
ANTONYMS

make good progress

2‘you may find yourself floundering as you try to answer a question you have not really understood’

SYNONYMS
struggle mentally, be out of one's depth, be in the dark, have difficulty, be confounded, be confused, be dumbfounded
informal scratch one's head, be flummoxed, be clueless, be foxed, be fazed, be floored, be beaten

3‘more firms are floundering’

SYNONYMS
struggle financially, be in dire straits, face financial ruin, be in difficulties, face bankruptcy, face insolvency
ANTONYMS

prosper