runt (n.)
- bantam
- brownie
- button
- chit
- cipher
- diminutive
- dummy
- dwarf
- elf
- featherweight
- figurehead
- fingerling
- gnome
- homunculus
- jackstraw
- lightweight
- lilliputian
- manikin
- mediocrity
- midge
- midget
- mini
- minnow
- mouse
- nebbish
- nonentity
- nubbin
- obscurity
- peewee
- pip-squeak
- pony
- punk
- pygmy
- scrub
- shrimp
- slip
- snip
- snippet
- squirt
- squit
- tit
- wart
- whippersnapper
- wisp