indefectible /in-di-fekˈti-bl/

1. Incapable of defect, flawless
2. Unfailing

• seatings
• seatless
• SEATO
• seat-of-the-pants
• seat rent
• sea trout
• sea trouts
• seats
• seat-stick
• seat-sticks
• sea turn
• sea turns
• sea turtle
• sea turtles
• sea unicorn
• sea unicorns
• sea urchin
• sea urchins
• sea vampire
• sea vampires
• sea view
• sea views
• sea wall
• sea-walled
• sea walls