indefectible /in-di-fekˈti-bl/

1. Incapable of defect, flawless
2. Unfailing

• rationalism
• rationalisms
• rationalist
• rationalistic
• rationalistically
• rationalists
• rationalities
• rationality
• rationalization
• rationalize
• rationalized
• rationalizer
• rationalizers
• rationalizes
• rationalizing
• rationally
• rational number
• rational numbers
• rationals
• ration book
• ration books
• ration card
• ration cards
• rationed
• rationing