dull [dʌl] adjective 1. [boring] noioso ( f noiosa) 2. [colour, light] spento ( f spenta) 3. [day, weather] uggioso ( f uggiosa) 4. [noise, ache] sordo ( f sorda) dull [dʌl] transitive verb Conjugaison 1. [memory] offuscare [pain] alleviare 2. [make less bright] opacizzare