Anagrams of: FFINRU

• an external body part consisting of feathers or hair about the neck of a bird or other animal

• a high tight collar

• common Eurasian sandpiper; the male has an erectile neck ruff in breeding season

• (card games) the act of taking a trick with a trump when unable to follow suit

• play a trump

• If and only if; used to show that the truth values of two statements are the same.

• Logically equivalent to rephrases:

• Obsolete spelling of if.

• A type of old snow which has gone through multiple thaw and refreeze cycles and thus is made of numerous small icy grains, though it is not nearly as saturated with water as snow-cone slush is; can be hard or somewhat soft depending on recent and current weather conditions.

• activities that are enjoyable or amusing

• verbal wit or mockery (often at another's expense but not to be taken seriously)

• violent and excited activity

• a disposition to find (or make) causes for amusement

• the dressed hairy coat of a mammal

• dense coat of fine silky hairs on mammals (e.g., cat or seal or weasel)

• a garment made of animal pelts or synthetic fur

• the cardinal number that is the sum of four and one

• one of a pair of decorations projecting above the rear fenders of an automobile

• one of a set of parallel slats in a door or window to admit air and reject rain

• a shoe for swimming; the paddle-like front is an aid in swimming (especially underwater)

• a stabilizer on a ship that resembles the fin of a fish

• organ of locomotion and balance in fishes and some other aquatic animals

• equip (a car) with fins

• propel oneself through the water in a finning motion

• show the fins above the water while swimming

• nonresinous wood of a fir tree

• any of various evergreen trees of the genus Abies; chiefly of upland areas

• An uncertainty, possibility, condition, doubt etc.

• Supposing that, assuming that, in the circumstances that; used to introduce a condition or choice.

• In the event that a statement is true (a programming statement that acts in a similar manner).

• Supposing that; used with past or past perfect subjunctive indicating that the condition is closed.

• Supposing that; given that; supposing it is the case that.

• Although; used to introduce a concession.

• (sometimes proscribed) Whether; used to introduce a noun clause, an indirect question, that functions as the direct object of certain verbs.

• (usually hyperbolic) Even if; even in the circumstances that.

• Introducing a relevance conditional.