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

• Olea europaea
• Olea lanceolata
• Oleaceae
• oleaceous
• oleaginous
• oleaginousness
• Oleales
• oleander
• oleander fern
• Oleandra
• Oleandra mollis
• Oleandra neriiformis
• Oleandraceae
• Olearia
• Olearia argophylla
• Olearia haastii
• oleaster
• oleaster family
• oleate
• olecranon
• olecranon process
• OLED
• olefin
• olefine
• oleic acid