13-letter words containing e, f, i
- undifferenced — (of a coat of arms) having no marks indicating family position and to be used by only one person at a time
- undiscomfited — not discomfited; at ease
- undiversified — distinguished by various forms or by a variety of objects: diversified activity.
- undutifulness — the quality of being undutiful
- unelectrified — not powered by electricity
- 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.
- unfeignedness — the quality or state of being unfeigned
- unforeskinned — circumcised
- unfulfillable — not able to be fulfilled
- uniflagellate — having only one flagellum.
- unindemnified — to compensate for damage or loss sustained, expense incurred, etc.
- uninflammable — (of materials and substances) not liable to catch fire, not flammable
- uninfluential — having or exerting influence, especially great influence: three influential educators.
- uninformative — not educational
- unjustifiable — capable of being justified; that can be shown to be or can be defended as being just, right, or warranted; defensible: justifiable homicide.
- unpersonified — to attribute human nature or character to (an inanimate object or an abstraction), as in speech or writing.
- 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
- unsatisfiable — not able to be satisfied
- unspecifiable — not able to be specified
- unsuperficial — external or outward: a superficial resemblance.
- unthriftiness — the quality or condition of being unthrifty
- unthriftyhead — thriftlessness
- 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.
- 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.
- venire facias — a writ directing the appropriate official to summon a jury.
- verifiability — to prove the truth of, as by evidence or testimony; confirm; substantiate: Events verified his prediction.
- versification — the act of versifying.
- vertical file — a collection of pamphlets, pictures, clippings, or other materials stored upright, as in a filing cabinet or cabinets.
- video referee — an additional referee during a televised game who is able to examine video playback to determine whether or not a try has been legitimately scored
- 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.
- virgin forest — a forest in its natural state, before it has been explored or exploited by man
- 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.
- warping frame — a wooden frame containing evenly spaced pegs on which the warp is wound in preparation for weaving.
- water bailiff — an official responsible for enforcing laws on river management and fishing
- water milfoil — any of various aquatic plants, chiefly of the genus Myriophyllum, the submerged leaves of which are very finely divided.
- waterflooding — (in oil, gas, or petroleum production) the practice of injecting water to maintain pressure in a reservoir and to drive the oil, etc towards the production wells
- waterproofing — Chiefly British. a raincoat or other outer coat impervious to water.
- wave function — a solution of a wave equation.
- wedding feast — a meal served to celebrate a wedding
- weightlifters — Plural form of weightlifter.
- weightlifting — the act, art, or sport of lifting barbells of given poundages in a prescribed manner, as a competitive event or conditioning exercise.