fail to understand synonym, fail to understand definition | Thesaurus



1    be defeated, be found lacking or wanting, be in vain, be unsuccessful, bite the dust, break down, come a cropper     (informal)   come to grief, come to naught, come to nothing, come unstuck, fall, fall by the wayside, fall flat, fall flat on one's face, fall short, fall short of, fall through, fizzle out     (informal)   flop     (informal)   founder, go astray, go belly-up     (slang)   go by the board, go down, go down like a lead balloon     (informal)   go up in smoke, lay an egg     (slang, chiefly U.S. & Canad.)   meet with disaster, miscarry, misfire, miss, not make the grade     (informal)   run aground, turn out badly  
2    abandon, break one's word, desert, disappoint, forget, forsake, let down, neglect, omit, turn one's back on  
3    be on one's last legs     (informal)   cease, conk out     (informal)   cut out, decline, die, disappear, droop, dwindle, fade, fall apart at the seams, give out, give up, go phut, gutter, languish, peter out, sicken, sink, stop working, wane, weaken  
4    become insolvent, close down, crash, fold     (informal)   go bankrupt, go broke     (informal)   go bust     (informal)   go into receivership, go out of business, go to the wall, go under, smash  
5    without fail      conscientiously, constantly, dependably, like clockwork, punctually, regularly, religiously, without exception  
   bloom, flourish, grow, pass, prosper, strengthen, succeed, thrive, triumph  
English Collins Dictionary - English synonyms & Thesaurus  
See also:

frail, fairly, failing, failure

Collaborative Dictionary     English Thesaurus
make a lot of efforts to understand something
the process of using the knowledge or information you have in order to understand something or form an opinion, or the opinion that you form ()
I have to make deductions about the meaning of words in poem then, I could understand more.
the method of using knowledge or information in order to understand something
Deduction in reading is a very important strategy because usually there are many words that you don't know, but can still be guessed with the prior knowledge you have.
the quality of something that fails to achieve what was intended; useless
I can't understand it, I can't believe it, I can't accept it
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"Collins Cobuild English Dictionary for Advanced Learners 4th edition published in 2003 © HarperCollins Publishers 1987, 1995, 2001, 2003 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"