60 entries under abandon topic. ×

1
blow the whistle(expression, idiom, deceive, desert)
1
break faith(expression, fail, deceive, desert)
1
break promise(expression, attack, deceive, desert)
1
break trust(expression, deceive, desert, forsake)
1
break with(expression, deceive, desert, forsake)
1
commit treason(expression, attack, deceive, desert)
1
deliver up(expression, fail, deceive, desert)
1
finger(attack, deceive, wound, desert)
1
forsake(verb, fail, neglect, cross)
1
go back on(verb, expression, idiom, phrasal verb, fail)
1
ignore(verb, neglect, disappoint)
1
inform against(expression, deceive, desert, forsake)
1
jilt(deceive, mislead, desert, seduce)
1
knife(deceive, mislead, desert, seduce)
1
leave in lurch(verb, expression, idiom, fail)
1
leave in the lurch(verb, expression, idiom, upset, fail)
1
neglect(verb, disappoint)
1
play Judas(expression, attack, deceive, betray)
1
seduce(deceive, mislead, forsake, grass)
1
sell down the river(expression, idiom, deceive, betray)
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APASmart Define. (2015). let down thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/let_down/thesaurus/synonyms
ChicagoSmart Define. 2015. "let down thesaurus" https://smartdefine.org/let_down/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, let down thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/let_down/thesaurus/synonyms>.
MLASmart Define. "let down thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/let_down/thesaurus/synonyms>