Answer: runty

AnswerCrossword Clue
RUNTY

Unlike the top dog

RUNTY

Like the littlest

RUNTY

Small, as puppies go

RUNTY
Undersized
RUNTY
Like a litter's littlest
RUNTYPint-sized
RUNTYOn the small side
RUNTYLike the smallest pup in the litter
RUNTYDiminutive
RUNTYDwarfish
RUNTYStunted.
RUNTYDwarfish.
RUNTYUndersized.
RUNTYSawed-off.
RUNTYSmall
RUNTYStunted
RUNTYHardly the pick of the litter
RUNTYLike the smallest of the litter
RUNTYUnlike the top dog?
RUNTYDiminutive, as a puppy