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informal

 
/ɪnˈfɔr·məl/ adj

Definition

not formal or official, or not suitable for official or special occasions: an informal gathering Informal talks resumed today in an attempt to end the strike. informality
 
/ˌɪn·fɔrˈmæl··t̬i/ n [U]
informally
 
/ɪnˈfɔr·mə·li/ adv
It’s OK to dress informally for the dinner party.
(Definition of informal adj from the Cambridge Academic Content Dictionary © Cambridge University Press)

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