nonfrivolous
unfrivolous
uninsipid
ungarrulous
nongratuitous
unfinicky
nongreedy
ungreedy
nonfrugivorous
nonmonist
unmonistic
nonmonistic
ungimmicky
uncumbersome
unduplicitous
unquerulous
unobsequious
nondeductive
unrakish
nonostentatious
unnegligent
nonwasteful
unprohibitive
unwasteful
nonnegligent
unsurreptitious
unirksome
unsolicitous
nonfanciful
unfulsome
unfrugal
unsquandered
unprudish
unmisanthropic
undebauched
unsuckable
unpugnacious
unmiscible
unbeggarly
nonpromiscuous
nonstrenuous
unmistrustful
nonopportunistic
unopportunistic
unstrenuous
unscrumptious
nondeferential
undaunting
unpromiscuous
unimpetuous
nonpromissory
unbegirt
unsuckered
unflabby
unstymied
unmeddlesome
unexigent
unindulgent
unrepulsive
unguerdoned
nonindulgent
unlofty
unexpeditious
ungaudy
unfeeble
nondiscrepant
unfatuous
nonabstemious
unextravagant
nondesirous
unduped
undistasteful
unlousy
untravestied
unlanguorous
unfurbished
unminimizable
unrepetitious
unfussy
nonfussy
unburdensome
unfickle
nonintrusive
unobstreperous
unpugilistic
unneedy
unludicrous
untroublesome
nonferruginous
nonindigent
unperilous
nonprurient
unreprehensible
nonreprehensible
untempted
unprurient
unquirky
unlicentious
nontroublesome
quiet
nonfrivolous
unfrivolous
uninsipid
ungarrulous
nongratuitous
unfinicky
nongreedy
ungreedy
nonfrugivorous
nonmonist
unmonistic
nonmonistic
ungimmicky
uncumbersome
unduplicitous
unquerulous
unobsequious
nondeductive
unrakish
nonostentatious
unnegligent
nonwasteful
unprohibitive
unwasteful
nonnegligent
unsurreptitious
unirksome
unsolicitous
nonfanciful
unfulsome
unfrugal
unsquandered
unprudish
unmisanthropic
undebauched
unsuckable
unpugnacious
unmiscible
unbeggarly
nonpromiscuous
nonstrenuous
unmistrustful
nonopportunistic
unopportunistic
unstrenuous
unscrumptious
nondeferential
undaunting
unpromiscuous
unimpetuous
nonpromissory
unbegirt
unsuckered
unflabby
unstymied
unmeddlesome
unexigent
unindulgent
unrepulsive
unguerdoned
nonindulgent
unlofty
unexpeditious
ungaudy
unfeeble
nondiscrepant
unfatuous
nonabstemious
unextravagant
nondesirous
unduped
undistasteful
unlousy
untravestied
unlanguorous
unfurbished
unminimizable
unrepetitious
unfussy
nonfussy
unburdensome
unfickle
nonintrusive
unobstreperous
unpugilistic
unneedy
unludicrous
untroublesome
nonferruginous
nonindigent
unperilous
nonprurient
unreprehensible
nonreprehensible
untempted
unprurient
unquirky
unlicentious
nontroublesome
quiet
English words for 'Not frivolous.'
As you may have noticed, above you will find words for "Not frivolous.". Hover the mouse over the word you'd like to know more about to view its definition. Click 
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