13-letter words containing f, a, m, i, l
- ultra-leftism — the beliefs of extremely left-wing political parties or groups
- ultrafamiliar — extremely familiar
- ultrafeminine — pertaining to a woman or girl: feminine beauty; feminine dress.
- umbraculiform — umbrella-shaped
- unfamiliarity — not familiar; not acquainted with or conversant about: to be unfamiliar with a subject.
- uninflammable — (of materials and substances) not liable to catch fire, not flammable
- vacuum filter — A vacuum filter is a filter in which the liquid passes through more easily because of a vacuum on the liquid output side.
- violet family — the plant family Violaceae, characterized by herbaceous plants and some tropical shrubs and trees having alternate, usually simple leaves, solitary flowers with five usually irregular petals, the lower petal often spurred, and a berry or many-seeded capsule, and including the Johnny-jump-up, pansy, and numerous species of violet.
- walnut family — the plant family Juglandaceae, characterized by deciduous trees having alternate, pinnately compound leaves, male flowers in tassellike catkins and female flowers in clusters, and edible nuts enclosed in a thick-walled or leathery husk, and including the butternut, hickory, pecan, and walnut.
- water milfoil — any of various aquatic plants, chiefly of the genus Myriophyllum, the submerged leaves of which are very finely divided.
- willow family — the plant family Salicaceae, characterized by deciduous trees and shrubs having simple, alternate leaves, hairy catkins of male and female flowers on separate plants, and capsular fruit, and including the aspen, cottonwood, poplar, and willow.
- words fail me — I am too happy, sad, amazed, etc, to express my thoughts