Definition of overcolouring in US English:

overcolouring

noun

  • Excessive use of colour; (chiefly in extended use) exaggeration in description; an instance of this.

Origin

Mid 19th century; earliest use found in William Prescott (1796–1859). From overcolour + -ing.

Pronunciation

overcolouring

/ˌəʊvəˈkʌl(ə)rɪŋ/