12-letter words containing f, l, a, t, r
- unartificial — not showing art or skill; not skilled or artistic
- unfilterable — not able to be filtered
- unflattering — to try to please by complimentary remarks or attention.
- unformulated — to express in precise form; state definitely or systematically: He finds it extremely difficult to formulate his new theory.
- unifactorial — of or relating to a single gene.
- unprofitable — being without profit; not showing or turning a profit: a series of unprofitable ventures.
- valve lifter — (in an internal-combustion engine) a tappet that opens a valve when actuated by a camshaft.
- water filter — device for removing impurities from water
- waterfalling — Present participle of waterfall.
- waterfowling — the sport of shooting waterfowl
- worst of all — You say worst of all to indicate that what you are about to mention is the most unpleasant or has the most disadvantages out of all the things you are mentioning.
- wrathfulness — The quality of being wrathful; wrath.