TINKERED
Scrabble letter values: T1I1N1K5E1R1E1D2 = 13
Definition
TINKERED is the past tense of TINKER.
verb TINKER: do random, unplanned work or activities or spend time idly.
Synonyms of TINKER: putter, mess_around, potter, monkey, monkey_around, muck_about, muck_around