milksop (n.)
- ass
- baby
- buffoon
- caitiff
- chicken
- clown
- coward
- crybaby
- dastard
- doodle
- doormat
- fool
- funk
- goody-goody
- ignoramus
- invertebrate
- jackass
- jellyfish
- lightweight
- lily
- lunatic
- mollycoddle
- mouse
- namby-pamby
- nance
- nancy
- nebbish
- nonentity
- pansy
- pantywaist
- poltroon
- pushover
- schmuck
- sissy
- softy
- sop
- tomfool
- weakling
- zany