1. Incapable of being modified in form or character or strength (especially by making less extreme)
   "these variations from custom are illogical, incomprehensible, and unmodifiable"

Antonym: modifiable

• Todidae
• Todus
• tody
• toe
• toe box
• toe crack
• toe dance
• toe dancing
• toe the line
• toe-in
• toe-to-toe
• toea
• toecap
• toed
• toehold
• toeless
• toenail
• toerag
• toetoe
• toff
• toffee
• toffee apple
• toffee-nosed
• toffy
• Tofieldia