Definition of tousle in English:

tousle

transitive verb

[with object]
  • Make (a person's hair) untidy.

    • ‘I tousled his wispy silver hair’

Pronunciation

tousle

/ˈtouzəl/ /ˈtaʊzəl/

Origin

Late Middle English (in the sense ‘handle roughly or rudely’): frequentative of dialect touse ‘handle roughly’, of Germanic origin and related to German zausen. Compare with tussle.