| ANFRACTUOSITY | • anfractuosity n. A winding channel or crevice, such as occur in the depths of the sea or in mountains. • anfractuosity n. One of the fissures (sulci) separating the convolutions of the brain, or, by analogy, in the mind.
 • ANFRACTUOSITY n. circuitousness, intricacy.
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| ASTROTURFINGS | • ASTROTURFING n. political, advertising, or public relations campaigning that seeks to create the impression of being spontaneous 'grassroots' behavior. | 
| FREQUENTATION | • frequentation n. The act of frequenting a particular place. • FREQUENTATION n. the act of frequenting.
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| FREQUENTATIVE | • frequentative adj. (Grammar) Serving to express repetition of an action. • frequentative n. (Grammar) Any of a subclass of imperfective verbs that denote a repeated action, no longer productive…
 • FREQUENTATIVE n. a tense of a verb denoting a repeated or recurrent action or state.
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| FRUMENTATIONS | • frumentations n. Plural of frumentation. • FRUMENTATION n. a gift of grain bestowed on starving or rebellious people in ancient Rome.
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| FRUSTRATINGLY | • frustratingly adv. In a frustrating manner; in a manner that causes frustration. • FRUSTRATING adv. FRUSTRATE, to thwart.
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| FUTILITARIANS | • futilitarians n. Plural of futilitarian. • FUTILITARIAN n. one who believes that human striving is futile.
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| PUTREFACTIONS | • putrefactions n. Plural of putrefaction. • PUTREFACTION n. rotting.
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| PUTRIFICATION | • putrification n. Putrefaction. • PUTRIFICATION n. the act or state of putrefying.
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| SUPERFETATING | • superfetating v. Present participle of superfetate. • SUPERFETATE v. to conceive when a fetus is already in the uterus.
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| SUPERFETATION | • superfetation n. The formation of a fetus while another fetus is already present in the uterus. • superfetation n. An excessive accumulation; a superfluous addition.
 • SUPERFETATION n. a second conception when there is already a fetus in the womb, also SUPERFOETATION.
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| THURIFICATION | • thurification n. The act, or an instance, of burning incense. • THURIFICATION n. purification by use of a thurifer, a censer.
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| TRIFURCATIONS | • trifurcations n. Plural of trifurcation. • TRIFURCATION n. the state of being divided into three forks.
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| TRUSTAFARIANS | • trustafarians n. Plural of trustafarian. • TRUSTAFARIAN n. an affluent young person who adopts a bohemian lifestyle and unkempt appearance.
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| UNFATHERLIEST | • UNFATHERLY adj. not fatherly. | 
| UNTHRIFTIHEAD | • unthriftihead n. (Obsolete) unthriftiness. • UNTHRIFTIHEAD n. (archaic) thriftlessness.
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| UNTHRIFTYHEAD | • UNTHRIFTYHEAD n. (Spenser) unthriftiness, also UNTHRIFTYHED. |