12-letter words containing f, a, m, e, l
- unformidable — causing fear, apprehension, or dread: a formidable opponent.
- unformulated — to express in precise form; state definitely or systematically: He finds it extremely difficult to formulate his new theory.
- unmeaningful — not meaningful; without significance.
- unmodifiable — incapable of being modified
- unreformable — not able to be reformed or reclaimed