Find Synonyms

informal Synonyms

Another word for informal

Choosing another word for informal depends on context, so the 13 synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
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• adjective (Context 1)

Having a relaxed, friendly, or unofficial style, manner, or nature; not bound by strict rules or ceremonies.

Usage Example

"The team held an casual meeting over coffee to brainstorm ideas for the upcoming project."

Strongest
casual
relaxed
Strong
unofficial
unceremonious
easygoing
laid-back

• adjective (Context 2)

Denoting the grammatical structures, vocabulary, and idiom suitable for everyday conversation rather than official or academic contexts.

Usage Example

"Contractions and slang are common features of colloquial spoken English."

Strongest
colloquial
conversational
Strong
vernacular
everyday
idiomatic

• adjective (Context 3)

(of clothing) Suitable for everyday wear rather than formal or ceremonial occasions.

Usage Example

"Guests were encouraged to wear casual attire to the outdoor summer barbecue."

Strongest
casual
Strong
everyday
comfortable
Weak
sporty

Opposites of informal

The opposite of informal shifts depending on context. Common opposites include:

formal
official
dressy
literary
black-tie
ceremonious
formalized
academic
See all opposites of informal

• Nearby Words

infographic
infomercial
inform
informal
informality
informally
informant

Cite this Entry

Wordmom. (2026). Synonyms for Informal. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/informal
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