informal
adjective
See more 3-syllable adjectives

Divide informal into syllables:

in · for · mal

How to pronounce informal:

Definition of informal:

informal (adjective):
not formal.
marked by the absence of formality or ceremony

Synonyms for informal:

casual
colloquial
daily
easy-going
everyday
familiar
formality
formalness
free-and-easy
heterodox
irregular
laid-back
natural
relaxed
unauthorized
unceremonial
unceremonious
unconstrained
unconventional
unofficial
unorthodox

Antonyms for informal:

authorised
authoritative
authorized
buttoned-up
ceremonial
ceremonious
chic
classy
constrained
conventional
dashing
dressed-up
dressy
elaborate
elegant
fancy
fashionable
fly
formal
kicky
modish
natty
noncasual
official
ornate
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