Related Clues:

• Enough to sink one's teeth into
• Substantial
• Substantive
• Having much substance
• Hearty
• Brawny
• Thought-provoking
• Full of substance
• Uninviting to a vegan, e.g.
• Having substance
• Like Italian subs
• Substantial, as a role
• Fleshy, or full of informative matter
• Two notes said to be substantial
• Beefy