- 1[intransitive] diddle (around) to waste time without having a purpose Sometimes I just diddle around all day.
- 2[intransitive] diddle (with something) to play with something carelessly or without thinking He diddled with the graphics on his computer.
NAmE//ˈdɪdl//(informal)Verb Forms present simple I / you / we / they diddle
he / she / it diddles
past simple diddled
-ing form diddling