Answer: outgrew

AnswerCrossword Clue
OUTGREW

Got too old for

OUTGREW

Got too big for

OUTGREW

Left behind, in a way

OUTGREW
Got too big for one's britches
OUTGREW
Got past
OUTGREWBecame too large for
OUTGREWDeveloped beyond the need of.
OUTGREWGot too big for.
OUTGREWIncreased faster
OUTGREWLost interest in, in a way
OUTGREWNo longer fit into