Speech habits unique to an individual

• The language or speech of one individual at a particular period in life
• Individual's unique use of language

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
idiolect \idiolect\ n. (Linguistics) the language or speech of one individual at a particular period in life.

WordNet Word definitions in WordNet
n. the language or speech of one individual at a particular period in life

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ Such a personal dialect or variety is usually termed an idiolect .

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1948, from idio- + second element abstracted from dialect .

Wikipedia Word definitions in Wikipedia
Idiolect is an individual's distinctive and unique use of language , including speech. This unique usage encompasses vocabulary , grammar , and pronunciation . Idiolect is the variety of language unique to an individual. This differs from a dialect , a ...

Wiktionary Word definitions in Wiktionary
n. (context linguistics English) The language variant used by a specific individual.