| GRANDILOQUOUS | • grandiloquous adj. Grandiloquent. • GRANDILOQUOUS adj. (archaic) grandiloquent, also GRANDILOQUENT. |
| QUADRIENNIUMS | • QUADRIENNIUM n. (Latin) a period of four years, also QUADRENNIUM. |
| QUADRILINGUAL | • quadrilingual adj. Involving four languages. • quadrilingual adj. Of a text, written in four languages. • quadrilingual adj. Of a person, able to speak four languages. |
| QUADRUPLEXING | • quadruplexing n. The transmission of four separate messages on a single cable. • QUADRUPLEX v. to make quadruplex. |
| QUINCUNCIALLY | • quincuncially adv. In a quincuncial fashion. • QUINCUNCIAL adv. of or like a quincunx, also QUINCUNXIAL. |
| QUINQUENNIADS | • quinquenniads n. Plural of quinquenniad. • QUINQUENNIAD n. a period of five years, also QUINQUENNIUM. |
| QUINQUENNIALS | • quinquennials n. Plural of quinquennial. • QUINQUENNIAL n. an anniversary recurring every five years. |
| QUINQUEVALENT | • quinquevalent adj. Alternative spelling of quinquivalent. • QUINQUEVALENT adj. having a valency of five, also QUINQUIVALENT. |
| QUINQUIVALENT | • quinquivalent adj. (Chemistry) Having an atomic valence of 5. • quinquivalent adj. (Medicine) Having a vaccine valence of 5. • QUINQUIVALENT adj. having a valency of five, also QUINQUEVALENT. |
| QUINTUPLICATE | • quintuplicate adj. Multiplied by five. • quintuplicate adj. Being the fifth in a set of five. • quintuplicate n. A set of five similar or identical things. |
| SUBSEQUENTIAL | • subsequential adj. Subsequent. • subsequential adj. (Mathematics) Relating to a subsequence. • SUBSEQUENTIAL adj. subsequent. |
| UBIQUITARIANS | • ubiquitarians n. Plural of ubiquitarian. • UBIQUITARIAN n. one who believes that Christ's body is everywhere, not just in the Eucharist. |
| UNACQUAINTING | • UNACQUAINT v. to deprive (a person) of awareness or acquaintance. |
| UNEQUIVOCABLE | • unequivocable adj. (Proscribed) Nonstandard form of unequivocal. • UNEQUIVOCABLE adj. leaving no doubt, also UNEQUIVOCAL. |
| UNEQUIVOCABLY | • unequivocably adv. (Proscribed) Nonstandard form of unequivocally. • UNEQUIVOCABLY adv. without equivocation. |
| UNEQUIVOCALLY | • unequivocally adv. In a way that leaves no doubt; in an unequivocal or unambiguous manner, unquestionably. • UNEQUIVOCAL adv. leaving no doubt, also UNEQUIVOCABLE. |
| UNNILQUADIUMS | • UNNILQUADIUM n. a former name of the transuranic element rutherfordium. |
| UNQUALIFIABLE | • unqualifiable adj. Not qualifiable. • UNQUALIFIABLE adj. not qualifiable. |
| UNQUALIFIEDLY | • unqualifiedly adv. In an unqualified manner. • UNQUALIFIED adv. UNQUALIFY, to disqualify; to unfit. |