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Definition of informal adjective from the Oxford Advanced Learner's Dictionary

informal

adjective
 
/ɪnˈfɔːml/
 
/ɪnˈfɔːrml/
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  1. relaxed and friendly; not following strict rules of how to behave or do something
    • an informal atmosphere
    • an informal meeting/gathering/visit
    • an informal arrangement
    • informal discussions/talks
    • an informal chat/conversation
    • Discussions are held on an informal basis within the department.
    • The aim of the trip was to make informal contact with potential customers.
    • These meetings should remain purely informal, with no obligation on either side.
    Oxford Collocations Dictionaryverbs
    • be
    • become
    • remain
    adverb
    • extremely
    • fairly
    • very
    See full entry
  2. (of language) suitable for normal conversation and writing to friends rather than for serious speech and letters
    • an informal expression
    compare formal, slang
    Oxford Collocations Dictionaryverbs
    • be
    • become
    • remain
    adverb
    • extremely
    • fairly
    • very
    See full entry
  3. (of clothes) suitable for wearing at home or when relaxing rather than for a special or an official occasion synonym casual
    • I changed into more informal clothes.
    • Dress is informal, and storage space often limited, so you’ll be more comfortable travelling light.
    opposite formalTopics Clothes and Fashiona2
    Oxford Collocations Dictionaryverbs
    • be
    • become
    • remain
    adverb
    • extremely
    • fairly
    • very
    See full entry
  4. (of work or business) done by individuals on a small scale, especially unofficially or illegally
    • the informal economy/sector
    • informal street traders
    • The city has acted to remove informal traders from train stations.
See informal in the Oxford Advanced American DictionarySee informal in the Oxford Learner's Dictionary of Academic English
trait
noun
 
 
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