13-letter words containing f, i, r, e, d
- underinflated — lacking sufficient air pressure
- understaffing — the condition of being understaffed or of lacking a number of employees
- undifferenced — (of a coat of arms) having no marks indicating family position and to be used by only one person at a time
- undiversified — distinguished by various forms or by a variety of objects: diversified activity.
- unelectrified — not powered by electricity
- unforeskinned — circumcised
- unpersonified — to attribute human nature or character to (an inanimate object or an abstraction), as in speech or writing.
- unrefined oil — oil that hasn't been refined or processed
- unthriftyhead — thriftlessness
- user-friendly — easy to use, operate, understand, etc.: the most user-friendly personal computer now on the market.
- 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
- 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
- well-informed — having extensive knowledge, as in one particular subject or in a variety of subjects.
- wildlife park — animal reserve
- winding frame — a machine on which yarn or thread is wound.
- words fail me — I am too happy, sad, amazed, etc, to express my thoughts