informal

From in- +‎ formal.

• (General American) IPA^(key): /ɪnˈfɔɹm(ə)l/
• (Received Pronunciation) IPA^(key): /ɪnˈfɔːm(ə)l/

• Audio (US)

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• Hyphenation: in‧for‧mal
• Rhymes: -ɔː(ɹ)məl

informal (comparative more informal, superlative most informal)

1. Not formal or ceremonious.
   • 1918, W. B. Maxwell, chapter 3, in The Mirror and the Lamp:

     One saint's day in mid-term a certain newly appointed suffragan-bishop came to the school chapel, and there preached on “The Inner Life.”  He at once secured attention by his informal method, and when presently the coughing of Jarvis […] interrupted the sermon, he altogether captivated his audience with a remark about cough lozenges being cheap and easily procurable.

   an informal get-together

2. Not in accord with the usual regulations.

   an informal agreement

3. Suited for everyday use.

   informal clothes

4. (of language) Reflecting everyday, non-ceremonious usage.
5. (horticulture) Not organized; not structured or planned.

• (not formal or ceremonious): casual
• (not in accord with the usual regulations): unofficial
• (suited for everyday use): casual
• (language: reflecting everyday, non-ceremonious usage): colloquial

• formal

• informality
• informally
• semi-informal

• formalin

in- +‎ formal

• (Balearic, Valencian) IPA^(key): /im.foɾˈmal/
• (Central) IPA^(key): /im.furˈmal/

informal (masculine and feminine plural informals)

1. informal

• informalment

• “informal” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans.

informal m or f (plural informais)

1. informal

• formal

• informalmente

• “informal” in Dicionario da Real Academia Galega, Royal Galician Academy.

informal m or f (plural informais, comparable)

1. informal (not formal or ceremonious)

• informal in Dicionário Aberto based on Novo Diccionário da Língua Portuguesa de Cândido de Figueiredo, 1913

informal (plural informales)

1. informal

• formal

• informalmente

• “informal” in Diccionario de la lengua española, Vigésima tercera edición, Real Academia Española, 2014.