Synonyms and Antonyms for Informal

Following is a list of 150 synonym words and phrases that are related to informal:

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3 Letter Words

not

4 Letter Words

cozyroomgrey

5 Letter Words

loosetacitblacklicit

6 Letter Words

casualvulgarslangycommonfolksyad-hocformalsymbolshadowchattyjovial

7 Letter Words

withoutamiableregularjocularrelaxedplayfulprivateelegant

8 Letter Words

everydayfamiliarfriendlyintimateatypicalamicableparallelofficialarmchairsociablelaidbackcommunalunformalunsolemnsuitless

9 Letter Words

unplanneduntrainedirregularofficiousimpromptumakeshiftassociateinformalsnonformalconvivialcollegialunhurriedeasygoingdignifiedimpreciseunstarchyuncourtlyunseriousunorderly

10 Letter Words

unofficialunliterarycolloquialvernacularepistolaryundeclaredindividualprecariousimprovisedstructuredsemiformalexpositiveformalizedpurposefulformalisedunemphaticevaluatoryevaluativeunscripteddiscursiveunbuttonedundecorousunrigorousunrefereed

11 Letter Words

nonliterarysubliteraryunregulatedunorganizedunorganisedspontaneousinformationundergroundclosed-doorsubstantiveceremoniouseducationalextemporarydiscussionsexploratoryunofficious

12 Letter Words

unceremonialepistolatoryout-of-courtunstructuredafter-schoolunpublicisedfacilitativeconsultativeconfidentialunformalizeduncolloquialceremonilesspseudoformaluntheatricalnonscholarlyunrestrainedunstrictured

13 Letter Words

unceremoniousfree-and-easyextrajudicialself-learninginformationalsemi-officialconsultationsout-of-schoolunpretentiousparticipatorycollaborativeparticipativesuperinformalnonceremonialnonformalizedfree and easysemi-informalunreverential

14 Letter Words

conversationaloff-the-recordunincorporatedunconventionalnonadversarialinterjectionalnonformalisticunorchestratedunformularized

15 Letter Words

nonprofessionalextracurricularimpressionistic

16 Letter Words

over-the-counter

18 Letter Words

nonconfrontational

Using this list of similar-meaning words, you can choose the best synonyms to replace informal in your sentences.

Additionally, you'll find antonyms included, perfect for when you need the complete opposite meaning of informal in your writing.