1. Lacking courage or vitality
   "he was a yellow gutless worm" 
2. Weak in willpower, courage or vitality
   - namby-pamby, spineless, wishy-washy

See also: gutlessness, weak

Antonym: gutsy

• Umar al-Mukhtar Forces
• Umayyad
• white wine
• white wolf
• white woman
• white wood aster
• white yam
• white zinnia
• white-alder family
• white-bellied swallow
• white-berry yew
• white-blotched
• white-breasted nuthatch
• white-chinned petrel
• white-coat hypertension
• white-collar
• white-crowned sparrow
• white-edged
• white-faced hornet
• white-flowered
• white-footed mouse
• white-haired
• white-handed gibbon
• white-headed stilt
• white-heart hickory