Related Clues:

• Weak, in a way
• Apathetic
• Lacking energy
• Listless
• Not so red-blooded?
• Far from robust
• Puny
• Lacking in spirit
• Hardly hearty
• Weak, in a sense
• Lacking in pizazz
• Lacking brio
• Low in hemoglobin
• Sluggish and inactive
• Slow, dull