4
get into mischief(expression, bad, misconduct, misbehave)
4
get sneaky(expression, plot, misconduct, misbehave)
4
harbour designs against(expression, plot, misconduct, misbehave)
4
harbour designs on(expression, plot, misconduct, misbehave)
4
have designs against(expression, plot, misconduct, misbehave)
4
have designs on(expression, plot, misconduct, misbehave)
4
have evil intentions(expression, plot, misconduct, misbehave)
4
intrigue(verb, plot, misconduct, misbehave)
4
lay a scheme(expression, plot, misconduct, misbehave)
4
machinate(verb, plot, misconduct, misbehave)
4
make trouble(expression, bad, misconduct, misbehave)
4
plot against(expression, plot, misconduct, misbehave)
4
plot evil(expression, plot, misconduct, misbehave)
4
scheme against(expression, plot, misconduct, misbehave)
4
sin(verb, bad, misconduct, misbehave)
4
sow wild oats(expression, idiom, bad, misconduct, misbehave)
4
spin intrigues(expression, plot, misconduct, misbehave)
4
up to shit(expression, idiom, slang, plot, misbehave)
4
weave a plot(expression, plot, misconduct, misbehave)
2
go astray
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APASmart Define. (1970). up to no good thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/up_to_no_good/thesaurus/synonyms
ChicagoSmart Define. 1970. "up to no good thesaurus" https://smartdefine.org/up_to_no_good/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 1970, up to no good thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/up_to_no_good/thesaurus/synonyms>.
MLASmart Define. "up to no good thesaurus" 1 January 1970. Web. 29 September 2026. <https://smartdefine.org/up_to_no_good/thesaurus/synonyms>