sook

/sʊk/
noun
  1. A cowardly or timid person; someone who is easily frightened or lacks courage.
    • He called his brother a sook for being afraid of the dark.
    • Don't be such a sook — just jump into the pool!
    • The team's captain told them not to act like sooks when facing the tough opponent.
Antonyms
What does "sook" mean? | whatsthatwordmean | whatsthatwordmean