From Longman Dictionary of Contemporary EnglishRelated topics: Literature, Clothesinformalin‧for‧mal /ɪnˈfɔːməl $ -ɔːr-/ ●●●W3 adjective1RELAXEDFRIENDLYrelaxed and friendly without being restricted by rules of correctbehaviourOPP formal
The atmosphere at work is fairly informal.
The two groups met for informal talks.2ALan informal style of writing or speaking is suitable for ordinaryconversations or letters to friendsOPP formal3DCCinformal clothes are suitable for wearing at home or in ordinary situationsSYN casualOPP formal —informally adverb —informality /ˌɪnfɔːˈmæləti $ -fɔːr-/ noun [uncountable]Examples from the Corpusinformal• The two companies have an informalarrangement to share each other's sports and leisurefacilities.• The report was based on informaldiscussions with women MPs and their families.• I was offered the job after an informalinterview in the staffcanteen.
