60 entries under abandon topic. ×

13
fail(verb, upset, neglect, deceive)
7
betray(verb, attack, fail, neglect)
7
deceive(verb, upset, attack, fail)
4
desert(verb, fail, neglect, deceive)
4
play false(expression, fail, deceive, forsake)
3
delude(verb, upset, fail, cross)
3
inform on(verb, expression, attack, deceive)
3
sell out(verb, expression, attack, cross)
2
beguile(verb, fail, deceive, swindle)
2
bluff(deceive, swindle, betray, seduce)
2
cross(attack, fail, deceive, wound)
2
double-cross(verb, attack, fail, cross)
2
double cross(noun, expression, desert, forsake)
2
mislead(verb, upset, fail, cross)
2
take in(expression, fail, deceive, betray)
2
trick(attack, deceive, swindle, wound)
2
turn in(expression, attack, deceive, desert)
1
be disloyal(attack, deceive, wound, desert)
1
be unfaithful(attack, deceive, wound, desert)
1
bite the hand that feeds you(expression, idiom, deceive, desert)
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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>