from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Relatively great in extent from one surface to the opposite, usually in the smallest solid dimension; not thin: a thick board.
  • adj. Measuring a specified number of units in this dimension: two inches thick.
  • adj. Heavy in form, build, or stature; thickset: a thick neck.
  • adj. Having component parts in a close, crowded state or arrangement; dense: a thick forest.
  • adj. Having or suggesting a heavy or viscous consistency: thick tomato sauce.
  • adj. Having a great number; abounding: a room thick with flies.
  • adj. Impenetrable by the eyes: a thick fog.
  • adj. Not easy to hear or understand; indistinctly articulated: the thick speech of a drunkard.
  • adj. Producing indistinctly articulated sounds: the thick tongues of barbarians.
  • adj. Strongly apparent; conspicuous: a thick brogue.
  • adj. Informal Lacking mental agility; stupid.
  • adj. Informal Very friendly; intimate: thick friends.
  • adj. Informal Going beyond what is tolerable; excessive.
  • adv. In a thick manner; deeply or heavily: Seashells lay thick on the beach.
  • adv. In a close, compact state or arrangement; densely: Dozens of braids hung thick from the back of her head.
  • adv. So as to be thick; thickly: Slice the bread thick for the best French toast.
  • n. The thickest part.
  • n. The most active or intense part: in the thick of the fighting.
  • idiom thick and thin Good and bad times: They remained friends through thick and thin.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Relatively great in extent from one surface to the opposite in its smallest solid dimension.
  • adj. Measuring a certain number of units in this dimension.
  • adj. Heavy in build; thickset.
  • adj. Densely crowded or packed.
  • adj. Having a viscous consistency.
  • adj. Abounding in number.
  • adj. Impenetrable to sight.
  • adj. Difficult to understand, or poorly articulated.
  • adj. Stupid.
  • adj. Friendly or intimate.
  • adj. Deep, intense, or profound.
  • adv. In a thick manner.
  • adv. Thickly.
  • n. The thickest, or most active or intense part of something.
  • v. To thicken.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Measuring in the third dimension other than length and breadth, or in general dimension other than length; -- said of a solid body.
  • adj. Having more depth or extent from one surface to its opposite than usual; not thin or slender.
  • adj. Dense; not thin; inspissated. Also used figuratively.
  • adj. Not transparent or clear; hence, turbid, muddy, or misty.
  • adj. Abundant, close, or crowded in space; closely set; following in quick succession; frequently recurring.
  • adj. Not having due distinction of syllables, or good articulation; indistinct.
  • adj. Deep; profound.
  • adj. Dull; not quick.
  • adj. Intimate; very friendly; familiar.
  • adv. Frequently; fast; quick.
  • adv. Closely.
  • adv. To a great depth, or to a greater depth than usual.
  • n. The thickest part, or the time when anything is thickest.
  • n. A thicket.
  • v. To thicken.

from The Century Dictionary and Cyclopedia

  • Having relatively great extent or depth from one surface to its opposite; being relatively of great depth, or extent from side to side: opposed to thin.
  • Having (a specified) measurement in a direction perpendicular to that of the length and breadth; measuring (so much) between opposite surfaces: as, a board one inch thick.
  • Having numerous separate parts or individuals set or occurring close together; dense; compactly arranged.
  • Having relatively great consistency; also, containing much solid matter in suspension or solution; approaching the consistency of a solid; inspissated: as, thick cream; thick paste; often of liquids, turbid; muddy; cloudy.
  • Heavy; profound; intense; extreme; great.
  • Obscure; not clear; especially, laden with clouds or vapor; misty; foggy: noting the atmosphere, the weather, etc.
  • Mentally dull; stupid: devoid of intelligence: as, to have a thick head.
  • Mentally clouded; befogged; slow, weak, or defective in sense-perception, sometimes in moral perception: as, to be thick of sight, hearing, etc.: said of persons or of the organs of sense.
  • Indistinct in utterance; inarticulate; not clear.
  • Abounding; filled; plentifully supplied: followed by with (formerly of or for).
  • Numerous; plentiful; frequent; crowded.
  • Being of a specified number; numbering.
  • Close in friendship; intimate.
  • n. The thickest part of anything.
  • n. The densest or most crowded part; the place of greatest resort or abundance.
  • n. The spot of greatest intensity or activity.
  • n. The time when anything is thickest.
  • n. A thicket; a coppice.
  • n. A stupid person; a dullard; a blockhead; a numskull.
  • In a thick manner, in any sense.
  • To make thick; thicken.
  • To increase in depth or girth; swell the proportions of (a solid body); fatten.
  • To give firmer consistency to; inspissate.
  • To make obscure or dark; hence, to hide; conceal.
  • To become thick.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. having a short and solid form or stature
  • adj. not thin; of a specific thickness or of relatively great extent from one surface to the opposite usually in the smallest of the three solid dimensions
  • adj. relatively dense in consistency
  • adv. with a thick consistency
  • adj. abounding; having a lot of
  • n. the location of something surrounded by other things
  • adj. having component parts closely crowded together
  • adj. (of darkness) very intense
  • adj. (used informally) stupid
  • adv. in quick succession
  • adj. spoken as if with a thick tongue
  • adj. hard to pass through because of dense growth
  • adj. (used informally) associated on close terms


from The American Heritage® Dictionary of the English Language, 4th Edition

Middle English thicke, from Old English thicce.

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Middle English thicke, from Old English þicce ("thick, dense"), from Proto-Germanic *þikkuz, *þikkwiz (“thick”), from Proto-Indo-European *tegus (“thick”). Cognate with Dutch dik ("thick"), German dick ("thick"), Swedish tjock ("thick"), Albanian thuk ("I press, thicken, make dense"), Old Irish tiug ("thick") and Welsh tew ("thick").



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  • psst...wrong word

    June 29, 2009

  • Some of the more graphic definitions from the "more" on thick may help picture this act.

    June 29, 2009

  • "Christ, you're thick" may be a perfectly garden-variety phrase; I cite TMB because it's not my quote, that's all.

    June 29, 2009

  • I love The Mighty Boosh, which probably warrants its own list (by someone who has the DVDs, probably).

    But "Christ, you're thick" doesn't seem like a Booshism to me; it's simply the British equivalent to the North American "Boy, you're dumb!" Or am I missing something here, MM?

    June 29, 2009

  • "His balls! Christ, you're thick"

    -The Mighty Boosh

    June 28, 2009

  • "We ride in silence. We go through the Salerno Gap, and are soon nearing the outskirts of Naples. Lots of pretty girls. Soon we are in the thick of the Via Roma traffic, we move at a snail's pace. People are as thick as flies, some thicker. It takes us nearly an hour to get through the chaos."

    - Spike Milligan, 'Mussolini: My Part In His Downfall.'

    April 18, 2009

  • "Intimate. They are as thick as two inkle-makers."

    - Francis Grose, 'The Vulgar Tongue'.

    September 11, 2008