nonserious
Lacking in gravity
Nonserious describes something not meant to be taken seriously—lighthearted, playful, or lacking gravity.
A nonserious tone signals humor or casualness.
A nonserious proposal isn't meant as a genuine offer.
The word often distinguishes casual from formal contexts: The conversation started nonserious but turned heavy.
Provoking laughter or suspicion
facetious · flippant · glib · droll · comic · irreverent · satirical · sardonic
Playfully fanciful or erratic
- mischievousPlayfully causing trouble
- frolicsomeInclined to merriment
- jestingPlayful, unserious speech
- jokingSaying things in fun
teasing · antic · prankish · impish · sportive · jocular · lighthearted · fun-loving
Relaxed, not official
- relaxedFree of stress
- laid-backCalm and unhurried
- easygoingRelaxed in temperament
- unconcernedFeeling no worry
carefree · breezy · unpretentious · unfussy · loose · flexible · undemanding · comfortable
Lacking significance or weight
- superficialLacking depth or substance
- inconsequentialLacking significance or impact
- unimportantLacking significance or weight
- triflingOf no real importance
insubstantial · petty · shallow · frothy · idle · flimsy · lightweight · minor
funny
Provoking laughter or suspicion
jokey · facetious · flippant · glib · droll · comic · irreverent · satirical · sardonic · tongue-in-cheek
whimsical
Playfully fanciful or erratic
- mischievousPlayfully causing trouble
- frolicsomeInclined to merriment
- jestingPlayful, unserious speech
joking · teasing · antic · prankish · impish · sportive · jocular · lighthearted · fun-loving · tongue-in-cheek
informal
Relaxed, not official
unconcerned · carefree · breezy · unpretentious · unfussy · loose · flexible · undemanding · comfortable · leisurely
trivial
Lacking significance or weight
- superficialLacking depth or substance
- inconsequentialLacking significance or impact
- unimportantLacking significance or weight
trifling · insubstantial · petty · shallow · frothy · idle · flimsy · lightweight · minor · negligible
nonseriousserious
Weighty and requiring attention
weighty · consequential · momentous · significant · substantial