13-letter words containing f, e, l
- uncamouflaged — the act, means, or result of obscuring things to deceive an enemy, as by painting or screening objects so that they are lost to view in the background, or by making up objects that from a distance have the appearance of fortifications, guns, roads, etc.: Was camouflage used extensively on fighter aircraft during World War I?
- uncomfortable — causing discomfort or distress; painful; irritating.
- unconformable — not conformable; not conforming.
- underinflated — lacking sufficient air pressure
- undutifulness — the quality of being undutiful
- unelectrified — not powered by electricity
- unenforceable — to put or keep in force; compel obedience to: to enforce a rule; Traffic laws will be strictly enforced.
- unexemplified — not exemplified; not clarified by example
- unfacilitated — to make easier or less difficult; help forward (an action, a process, etc.): Careful planning facilitates any kind of work.
- unfalsifiable — to make false or incorrect, especially so as to deceive: to falsify income-tax reports.
- unfalteringly — to hesitate or waver in action, purpose, intent, etc.; give way: Her courage did not falter at the prospect of hardship.
- unfashionable — observant of or conforming to the fashion; stylish: a fashionable young woman.
- unforeseeable — to have prescience of; to know in advance; foreknow.
- unforeseeably — to have prescience of; to know in advance; foreknow.
- unforgettable — impossible to forget; indelibly impressed on the memory: scenes of unforgettable beauty.
- unforgettably — impossible to forget; indelibly impressed on the memory: scenes of unforgettable beauty.
- unfortunately — suffering from bad luck: an unfortunate person.
- unfulfillable — not able to be fulfilled
- unhelpfulness — the quality of giving no help
- unhurtfulness — the state of being unhurtful
- uniflagellate — having only one flagellum.
- uninflammable — (of materials and substances) not liable to catch fire, not flammable
- uninfluential — having or exerting influence, especially great influence: three influential educators.
- unjustifiable — capable of being justified; that can be shown to be or can be defended as being just, right, or warranted; defensible: justifiable homicide.
- unperformable — to carry out; execute; do: to perform miracles.
- unpitifulness — a lack or absence of pity
- unqualifiedly — not qualified; not fit; lacking requisite qualifications: unqualified for the job.
- unrectifiable — able to be rectified.
- unrefined oil — oil that hasn't been refined or processed
- unreproachful — not deserving reproach or blame
- unrestfulness — the state of being restless
- unsatisfiable — not able to be satisfied
- unspecifiable — not able to be specified
- unsteadfastly — in an unsteadfast manner
- unsuperficial — external or outward: a superficial resemblance.
- unsuperfluous — not superfluous or excessive; moderate
- untunefulness — tunelessness; the quality or condition of being untuneful or unmelodious
- unvitrifiable — not able to be vitrified
- user-friendly — easy to use, operate, understand, etc.: the most user-friendly personal computer now on the market.
- 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.
- vale of tempe — a wooded valley in E Greece, in Thessaly between the mountains Olympus and Ossa
- vcc filtering — (electronics) A technique for reducing the amount of Radio Frequency Interference spread via power supply connections. VCC is a common name for the non-ground power supply line in circuits based on bipolar transistors. When part of a circuit generates lots of radio-frequency noise, that portion of the power plane can be isolated from the rest of the circuit and power delivered to it via a low pass filter, usually a PI filter, as shown in the diagram below.
- vegetable fat — oil from plant source
- venus flytrap — firewall machine
- verifiability — to prove the truth of, as by evidence or testimony; confirm; substantiate: Events verified his prediction.
- vertical file — a collection of pamphlets, pictures, clippings, or other materials stored upright, as in a filing cabinet or cabinets.
- 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.
- visual effect — Usually, visual effects. a special effect that is added to a film or video in post-production, as computer-generated imagery. Abbreviation: VFX.
- wafflestomper — a shoe with a thick sole resembling a waffle
- wall of death — (at a fairground) a giant cylinder round the inside walls of which a motorcyclist rides