informal
adjective
[ ɪnˈfɔːm(ə)l ]
• having a relaxed, friendly, or unofficial style, manner, or nature.
• "an informal atmosphere"
Similar:
casual,
relaxed,
easy-going,
natural,
unceremonious,
unofficial,
non-formal,
unstudied,
unaffected,
open,
friendly,
intimate,
simple,
unpretentious,
easy,
unstuffy,
unbuttoned,
chummy,
pally,
matey,
• denoting the grammatical structures, vocabulary, and idiom suitable to everyday language and conversation rather than to official or formal contexts.
Similar:
colloquial,
vernacular,
idiomatic,
demotic,
non-standard,
popular,
dialectal,
non-literary,
simple,
natural,
familiar,
everyday,
unofficial,
unpretentious,
slangy,
chatty,
folksy,
• (of economic activity) carried on by self-employed or independent people on a small scale, especially unofficially or illegally.
• "Peru's huge and dense informal sector of street vendors and cottage industries"
