17-letter words containing u, n, f, a, l, s
- thermal diffusion — the separation of constituents, often isotopes, of a fluid under the influence of a temperature gradient.
- unclassified road — a road that has not been given a grade because it is of a basic standard
- uncomfortableness — causing discomfort or distress; painful; irritating.
- unlawful assembly — a meeting of three or more people with the intent of carrying out any unlawful purpose
- unofficial strike — a strike that is not approved by the strikers' trade union
- unprofessionalism — not professional; not pertaining to or characteristic of a profession.
- wallis and futuna — French overseas territory in the South Pacific, northeast of the Fiji Islands: it consists of two groups of islands (Wallis Islands and Futuna Islands): c. 106 sq mi (275 sq km); pop. 14,000