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One who pretends to or is addicted to theurgy. Hallywell.

THE'UR-GY, n. [Gr. θεουργια; Θεος, God, and εργον, work.]

The art of doing things which it is the peculiar province of God to do; or the power or act of performing supernatural things by invoking the names of God or of subordinate agents; magic. This has been divided by some writers into three parts; theurgy, or the operation by divine or celestial means; natural magic, performed by the powers of nature; and necromancy, which proceeds by invoking demons. Cyc.

THEW, n. [Sax. theaw; Gr. εθος.]

  1. Manner; custom; habit; form of behavior. [Not in use.] Spenser.
  2. Brawn. [Not in use.] Shak.


Accustomed; educated. [Not in use.] Spenser.

THEY, pron. [plur; objective case, Them. Sax. thæge, Goth. thai, thaim.]

  1. The men, the women, the animals, the things. It is never used adjectively, but always as a pronoun referring to persons, or as a substitute referring to things. They and their fathers have transgressed against me. Ezek. ii. They of Italy salute you. Heb. xiii. Blessed are they who hunger and thirst after righteousness. Matth. v.
  2. It is used indefinitely, as our ancestors used man, and as the French use on. They say, [on dit,] that is, it is said by persons, indefinitely.


A slice; a skimmer; a spatula. [Not in use or local.] Ainsworth.

THICK, a. [Sax. thic, thicca; G. dick, dicht; D. dik, digt; Sw. tiock; Dan. tyk and digt, thick, tight; Gael. and Ir. tiugh; W. tew, contracted. See Class Dg, No. 3, 8, 10, 22, 36, 57. The sense is probably taken from driving, forcing together or pressing.]

  1. Dense; not thin; as, thick vapors; a thick fog.
  2. Inspissated; as, the paint is too thick.
  3. Turbid; muddy; feculent; not clear; as, the water of a river is thick after a rain.
  4. Noting the diameter of a body; as, a piece of timber seven inches thick. My little finger shall be thicker than my father's loins! 1 Kings xii.
  5. Having more depth or extent from one surface to its opposite than usual; as, a thick plank; thick cloth; thick paper.
  6. Close; crowded with trees or other objects; as, a thick forest or wood; thick grass; thick corn. The people were gathered thick together. Locke.
  7. Frequent; following each other in quick succession. The shot flew thick as hail. Favors came thick upon him. Wotton. Not thicker billows beat the Libyan main. Dryden.
  8. Set with things close to each other; not easily previous. Black was the forest, thick with beech it stood. Dryden.
  9. Not having due distinction of syllables or good articulation; as, a thick utterance. He speaks too thick.
  10. Dull; somewhat deaf; as thick of hearing.

THICK, adv.

  1. Frequently; fast. I hear the trampling of thick beating feet. Dryden.
  2. Closely; as, a plat of ground thick sown. Norris.
  3. To a great depth, or to a thicker depth than usual; as, a bed covered thick with tan; land covered thick with manure. Thick and threefold, in quick succession, or in great numbers. [Not in use.] L'Estrange.


  1. The thickest part, or the time when any thing is thickest. In the thick of the dust and smoke he presently entered his men. Knolles.
  2. A thicket. [Not in use.] Drayton. Thick and thin, whatever is in the way. Through thick and thin she follow'd him. Hudibras.

THICK, v.i.

To become thick or dense. [Not used.] Spenser.

THICK-EN, v.i. [thik'n.]

  1. To become thick or more thick; to become dense; as, the fog thickens.
  2. To become dark or obscure. Thy luster thickens / When he shines by. Shak.
  3. To concrete; to be consolidated; as, the juices of plants thicken into wood.
  4. To be inspissated; as, vegetable juices thicken, as the more volatile parts are evaporated.
  5. To become close, or more close or numerous. The press of people thickens to the court. Dryden.
  6. To become quick and animated. The combat thickens. Addison.
  7. To become more numerous; to press; to be crowded. Proofs of the fact thicken upon us at every step.

THICK-EN, v.t. [thik'n; Sax. thiccian.]

  1. To make thick or dense.
  2. To make close; to fill up interstices; as, to thicken cloth.
  3. To make concrete; to inspissate; as, to thicken paint, mortar or a liquid.
  4. To strengthen; to confirm. And this may help to thicken other proofs. [Not used.] Shak.
  5. To make frequent, or more frequent; as, to thicken blows.
  6. To make close, or more close; to make more numerous; as, to thicken the ranks.


Made dense, or more dense; made more close or compact; made more frequent; inspissated.


Something put into a liquid or mass to make it more thick.


Making dense or more dense, more close, or more frequent; inspissating.

THICK'ER, a. [comp.]

More thick.

THICK'EST, a. [superl.]

Most thick.


A wood or collection of trees or shrubs closely set; as, a ram caught in a thicket. Gen. xxii.


Having a thick skull; dull; stupid.


Somewhat thick.

THICK'LY, adv.

  1. Deeply; to a great depth. Boyle.
  2. Closely; compactly.
  3. In quick succession.


  1. The state of being thick; denseness; density; as, the thickness of fog, vapor or clouds.
  2. The state of being concrete or inspissated; consistence; inspissitude; as, the thickness of paint or mortar; the thickness of honey; the thickness of the blood.
  3. The extent of a body from side to side, or from surface to surface; as, the thickness of a tree; the thickness of a board; the thickness of the hand; the thickness of a layer of earth.
  4. Closeness of the parts; the state of being crowded or near; as, the thickness of trees in a forest; the thickness of a wood.
  5. The state of being close, dense or impervious; as, the thickness of shades. Addison.
  6. Dullness of the sense of hearing; want of quickness or acuteness; as, thickness of hearing. Swift.

THICK'SET, a. [thick and set.]

  1. Close planted; as, a thickset wood. Dryden.
  2. Having a short thick body.

THICK'SKIN, n. [thick and skin.]

A coarse gross person; a blockhead. Entick.

THICK'SKULL, n. [thick and skull.]

Dullness; or a dull person; a blockhead. Entick.