Fiddling with something is a phrase used to describe the act of making small, often unnecessary changes to something. The crossword solutions for this term are TINKERED (8 letters), TAMPERED (8 letters), TWIDDLED (8 letters), TOYED (5 letters), JIGGERED (8 letters), MESSED (6 letters) and MONKEYED (8 letters). All of these words can be used to describe the act of making small changes to something, usually without any real purpose.