Colloquial

belonging to conversation/language used in familiar, informal contexts. Contrasted with formal or literary language.
Found on http://www.standards.dfes.gov.uk/primary/publications/literacy/63285/nls_fw

Colloquial

• (a.) Pertaining to, or used in, conversation, esp. common and familiar conversation; conversational; hence, unstudied; informal; as, colloquial intercourse; colloquial phrases; a colloquial style.
Found on http://thinkexist.com/dictionary/meaning/colloquial/

Colloquial

(Colloquial / slang (colloquialism)) A 'colloquy' is a formal word for 'conversation', so colloquial language means the everyday language or register we adopt when chatting to friends, for example, e.g. 'Hello Fred, how's the new mother-in-law these days?'. Slang is a particular form of colloquial language used by certain social groups, e.g. 'Hey-...
Found on http://www.englishbiz.co.uk/grammar/main_files/definitionsa-m.htm

colloquial

adjective characteristic of informal spoken language or conversation; `wrote her letters in a colloquial style`; `the broken syntax and casual enunciation of conversational English`
Found on https://www.encyclo.co.uk/local/20974

Colloquial

Col·lo'qui·al adjective [ See Colloqui .] Pertaining to, or used in, conversation, esp. common and familiar conversation; conversational; hence, unstudied; informal; as, colloquial intercourse; colloquial phrases; a colloquial style. -- Col*lo'qui*al*ly ,
Found on http://www.encyclo.co.uk/webster/C/110

colloquial

characteristic of informal spoken language or conversation
Found on https://www.vocabulary.com/lists/148732

colloquial

colloquial 1. Appropriate to, used in, or characteristic of spoken language or of writing that is used to create the effect of conversation; belonging to common speech as opposed to formal speaking. 2. Characteristic of, or proper to, ordinary conversation; such as, being distinguished from formal or elevated language.
Found on http://www.wordinfo.info/words/index/info/view_unit/2533/2

colloquial

[adj] - characteristic of informal spoken language or conversation
Found on http://www.webdictionary.co.uk/definition.php?query=colloquial
No exact match found