{ } a. Dull-witted; stupid. “The addle-brained Oberstein.” Motley. [ 1913 Webster ]

Dull and addle-pated. Dryden. [ 1913 Webster ]

adj. 1. lacking seriousness; given to frivolity; scatterbrained; stupid; simple-minded; as, airheaded teenagers. Contrasted with serious, solemn
Syn. -- dizzy, empty-headed, featherbrained, giddy, lightheaded, light-headed, silly [ WordNet 1.5 ]

a. Shaped like the head of an arrow; cuneiform. [ 1913 Webster ]

Arrowheaded characters, characters the elements of which consist of strokes resembling arrowheads, nailheads, or wedges; -- hence called also nail-headed, wedge-formed, cuneiform, or cuneatic characters; the oldest written characters used in the country about the Tigris and Euphrates, and subsequently in Persia, and abounding among the ruins of Persepolis, Nineveh, and Babylon. See Cuneiform. [ 1913 Webster ]

, a. Having a bald head; lacking hair on all or most of the scalp; -- alsp called bald and bald-pated; as, a bald-headed gentleman. [ 1913 Webster +PJC ]

{ }, a. & adv. Having the head uncovered; as, a bareheaded girl. [ 1913 Webster ]

a. Dull; stupid. Shak. [ 1913 Webster ]

a. Stupid; dull. [ 1913 Webster ]

a. (Naut.) Built with the stem nearly straight up and down. [ 1913 Webster ]

adj. very stupid; -- used of people or actions. [ informal ] -- bone"head*ed*ness, n.
Syn. -- blockheaded, fatheaded, loggerheaded, thick, thickheaded, thick-skulled, wooden-headed. [WordNet 1.5]

adj. having a broad head. [ Narrower terms: brachycephalic (vs. dolichocephalic), brachycranal, brachycranic ]
Syn. -- roundheaded, short-headed. [ WordNet 1.5 ]

a. Having a head like a buckler. [ 1913 Webster ]

a. Having a large head, like a buffalo; dull; stupid; blundering. [ Obs. ] [ 1913 Webster ]

So fell this buffle-headed giant. Gayton. [ 1913 Webster ]

a. Having a head like that of a bull. Fig.: Headstrong; obstinate; dogged. [ 1913 Webster ]

n. resolute adherence to one's own ideas or desires.
Syn. -- stubbornness, obstinacy, obstinance, pigheadedness, self-will. [ WordNet 1.5 ]

a. Having a large head; thickheaded; dull; stupid. Smart. [ 1913 Webster ]

a. Having a clear understanding; quick of perception; intelligent. “He was laborious and clear-headed.” Macaulay.

-- Clear"-head`ed*ness, n. [1913 Webster]

a. Having a temper not easily excited; free from passion; unshakably calm and collected. -- Cool"-head`ed*ness, n.
Syn. -- cool, imperturbable, unflappable. [1913 Webster + WordNet 1.5]

a. (Zool.) Having a head shaped like that of a dog; -- said of certain baboons. [ 1913 Webster ]

a. Having two heads; bicipital. [ 1913 Webster ]

Double-headed rail (Railroad), a rail whose flanges are duplicates, so that when one is worn the other may be turned uppermost. [ 1913 Webster ]

n. two events, usually entertainment or sports performances, occurring immediately in succession or within a short time of each other; especially, two sports games played by the same teams on the same day, one right after another. A doubleheader in baseball is often scheduled between teams when a previously shceduled game is postponed, as due to rain or other interfering factors. In such cases, the admission price for the doubleheader remains that of a single game, though two games are played.
Syn. -- twin bill, double feature. [ WordNet 1.5 ]

a. Thick-headed; stupid. [ 1913 Webster ]

adj. lacking seriousness; given to frivolity.
Syn. -- airheaded, dizzy, featherbrained, giddy, lightheaded, light-headed, silly. [ WordNet 1.5 ]

adj. same as stupid. Opposite of smart. [ informal ]
Syn. -- blockheaded, boneheaded, loggerheaded, thick, thickheaded, thick-skulled, wooden-headed. [ WordNet 1.5 +PJC ]

a. Giddy; frivolous; foolish. [ Colloq. ] G. Eliot. [ 1913 Webster ]

a. Having a head with a flattened top; as, a flat-headed nail. [ 1913 Webster ]

a. Thoughtless; unsteady. [ 1913 Webster ]

adj. showing characteristics of age, especially having gray or white hair.
Syn. -- gray, grey, grey-haired, grey-headed, hoar, hoary. [ WordNet 1.5 ]

adj. 1. same as gray-headed.
Syn. -- gray, grey, gray-haired, grey-haired, gray-headed, hoar, hoary. [ WordNet 1.5 +PJC ]

a. Thick-skulled; stupid. [ 1913 Webster ]

, a. Having sound judgment; sagacious; shrewd; practical and pragmatic. -- Hard"-head`ed*ness, n. [1913 Webster]

a. 1. Furnished with a head (commonly as denoting intellectual faculties); -- used in composition; as, clear-headed, long-headed, thick-headed; a many-headed monster. [ 1913 Webster ]

2. Formed into a head; as, a headed cabbage. [ 1913 Webster ]

n. 1. One who, or that which, heads nails, rivets, etc., esp. a machine for heading. [ 1913 Webster ]

2. One who heads a movement, a party, or a mob; head; chief; leader. [ R. ] [ 1913 Webster ]

3. (Arch.) (a) A brick or stone laid with its shorter face or head in the surface of the wall. (b) In framing, the piece of timber fitted between two trimmers, and supported by them, and carrying the ends of the tailpieces. [ 1913 Webster ]

4. A reaper for wheat, that cuts off the heads only. [ 1913 Webster ]

5. A fall or plunge head first, as while riding a bicycle, or a skateboard, or in bathing; -- sometimes, implying the striking of the head on the ground; as, to take a header. [ Colloq. ] [ PJC ]

a. Dull; stupid. “Gross heavy-headed fellows.” Beau. & Fl. [ 1913 Webster ]

adj. 1. same as hot-headed.
Syn. -- choleric, irascible, hot-headed, hot-tempered, quick-tempered, short-tempered. [ WordNet 1.5 ]

2. liable to act with undue haste and without consideration.
Syn. -- brainish, impulsive, impetuous, madcap, tearaway(prenominal). [ WordNet 1.5 ]

a. quickly and easily aroused to anger; fiery; violent; rash; hasty; impetuous; vehement; as, a hot-headed commander. [ wns=1 ] Macaulay.
Syn. -- choleric, irascible, hotheaded, hot-tempered, quick-tempered, short-tempered. [ 1913 Webster ]

a. 1. Foolish; stupid. [ Obs. ] “The superstitious idle-headed eld.” Shak. [ 1913 Webster ]

2. Delirious; infatuated. [ Obs. ] L'Estrange. [ 1913 Webster ]

a. Double-headed. [ 1913 Webster ]

a. exercising or showing good judgment or common sense; sensible.
Syn. -- healthy, intelligent, sound. [ WordNet 1.5 ]

-- lev"el*head"ed*ly, adv. -- lev"el*head"ed*ness, n. [ PJC ]

a. 1. Disordered in the head; dizzy; feeling faint; delirious. [ wns=1 ] Walpole.
Syn. -- faint, swooning, lightheaded. [ 1913 Webster + WordNet 1.5 ]

2. Thoughtless; heedless; volatile; unsteady; fickle; loose; lacking seriousness; given to frivolity; as, light-headed teenagers. [ wns=2 ] “Light-headed, weak men.” Clarendon.
Syn. -- airheaded, dizzy, empty-headed, featherbrained, giddy, lightheaded, silly. [ 1913 Webster + WordNet 1.5 ]

-- Light"-head`ed*ness, n. [1913 Webster]

a. Dull; stupid. Shak. [ 1913 Webster ]

A rabble of loggerheaded physicians. Urquhart. [ 1913 Webster ]

a. 1. Having unusual foresight or sagacity. [ 1913 Webster ]

2. having a relatively long head with a cephalic index of under 75. Opposite of brachycephalic.
Syn. -- dolichocephalic, dolichocranal, dolichocranic. [ WordNet 1.5 +PJC ]

-- Long"-head`ed*ness, n. [1913 Webster]

a. Wild; crack-brained. [ 1913 Webster ]

adj. having a bushy top without a leader; -- of trees; as, mop-headed cabbage palms.
Syn. -- mopheaded. [ WordNet 1.5 ]

a. Dull; stupid. [ 1913 Webster ]

a. (Bot.) Having a cylindrical body with a convex head of larger diameter; having a head like that of a mushroom. [ 1913 Webster ]

a. Having a head like that of a nail; formed so as to resemble the head of a nail. [ 1913 Webster ]

Nail-headed characters, arrowheaded or cuneiform characters. See under Arrowheaded. --
Nail-headed molding (Arch.), an ornament consisting of a series of low four-sided pyramids resembling the heads of large nails; -- called also nail-head molding, or nail-head. It is the same as the simplest form of dogtooth. See Dogtooth. [ 1913 Webster ]

a. Having the hair cut close. [ Obs. ] Chapman. [ 1913 Webster ]

a. Bareheaded. [ Obs. ] [ 1913 Webster ]

a. Having a head like a pig; hence, figuratively: stupidity obstinate; perverse; stubborn. B. Jonson. -- Pig"-head`ed*ness, n. [1913 Webster]

a. Stupid. [ Colloq. ] [ 1913 Webster ]