17-letter words containing s, o, n, i, f
- transignification — (in the Eucharist) a change in the significance of the bread and wine to symbolize the body and blood of Christ.
- unclassified road — a road that has not been given a grade because it is of a basic standard
- under the sign of — during that portion of the year when the sun is passing through and thus subject to the influence of (a specified sign of the zodiac)
- uniformitarianism — supporting, conforming to, or derived from a theory or doctrine about uniformity, especially on the subject of geology.
- unity of interest — the equal interest in property held by joint tenants
- unofficial strike — a strike that is not approved by the strikers' trade union
- unprofessionalism — not professional; not pertaining to or characteristic of a profession.
- unselfconsciously — in an unselfconscious manner
- ventilation shaft — a shaft in a mine, tunnel, or building used for providing ventilation or fresh air
- welfare economics — a branch of economics concerned with improving human welfare and social conditions chiefly through the optimum distribution of wealth, the relief or reduction of unemployment, etc.
- wings of the dove — a novel (1902) by Henry James.
- wisdom of solomon — a book of the Apocrypha.
- year of confusion — (in ancient Rome) the year of 445 days preceding the introduction, in 46 b.c., of the Julian calendar: lengthened to compensate for the cumulative errors of the Roman calendar.