3
unconscionable
3
venal
3
vicious(adjective, unreasonable, immoral, improper, deceitful)
3
wrong
2
abominable
2
blameworthy
2
cheap
2
conscienceless
2
debasing
2
derogatory(adjective, dishonorable, lowly)
2
dissolute(adjective, dishonorable, lowly)
2
doubtful
2
embarrassing
2
fishy
2
licentious(adjective, dishonorable, lowly)
2
naughty
2
not kosher
2
profligate
2
shameless
2
sinister
11 years ago|7.1k views|share |citing 
APASmart Define. (2015). dishonourable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/dishonourable/thesaurus/synonyms
ChicagoSmart Define. 2015. "dishonourable thesaurus" https://smartdefine.org/dishonourable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, dishonourable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/dishonourable/thesaurus/synonyms>.
MLASmart Define. "dishonourable thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/dishonourable/thesaurus/synonyms>