4
play false(expression, fail, abandon, deceive, forsake)
4
put to shame(verb, expression, idiom, defeat, reveal)
4
reduce(verb, drop, press, depress, sink)
4
sink(verb, drop, set, decline, drive)
4
thwart(verb, upset, fail, deceive, baffle)
3
abandon(verb, attack, fail, neglect, deceive)
3
cast down(verb, expression, upset, drop, decline)
3
clip the wings(expression, idiom)
3
crestfallen(adjective, upset, blue, low, sad)
3
defect
3
delude(verb, upset, fail, abandon, cross)
3
demit(verb, drop, decline, drive, reduce)
3
disgrace
3
disillusioned(adjective, upset, depressed, distressed, discontented)
3
dissatisfied(adjective, upset, depressed, distressed, discontented)
3
droop(verb, drop, decline, drive, reduce)
3
ease off(expression, stop, delay, rest, relax)
3
ease up(verb, expression, stop, delay, rest)
3
frustrated(adjective, upset, distressed, discontented, dissatisfied)
3
get down
11 years ago|7.1k views|share |citing 
APASmart Define. (2015). let down thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/let_down/thesaurus/synonyms
ChicagoSmart Define. 2015. "let down thesaurus" https://smartdefine.org/let_down/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, let down thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/let_down/thesaurus/synonyms>.
MLASmart Define. "let down thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/let_down/thesaurus/synonyms>