,adjective, -er, -est, adverb, -er, -est, noun | 1. | having relatively great extent from one surface or side to the opposite; not thin: a thick slice. |
| 2. | measured, as specified, between opposite surfaces, from top to bottom, or in a direction perpendicular to that of the length and breadth; (of a solid having three general dimensions) measured across its smallest dimension: a board one inch thick. |
| 3. | composed of or containing objects, particles, etc., close together; dense: a thick fog; a thick forest. |
| 4. | filled, covered, or abounding (usually fol. by with): tables thick with dust. |
| 5. | husky or hoarse; not distinctly articulated: The patient's speech is still quite thick. |
| 6. | markedly so (as specified): a thick German accent. |
| 7. | deep or profound: thick darkness. |
| 8. | (of a liquid) heavy or viscous: a thick syrup. |
| 9. | Informal. close in friendship; intimate. |
| 10. | mentally slow; stupid; dull. |
| 11. | disagreeably excessive or exaggerated: They thought it a bit thick when he called himself a genius. |
| 12. | in a thick manner. |
| 13. | close together; closely packed: The roses grew thick along the path. |
| 14. | in a manner to produce something thick: Slice the cheese thick. |
| 15. | the thickest, densest, or most crowded part: in the thick of the fight. |
| 16. | lay it on thick, Informal. to praise excessively; flatter: He's laying it on thick because he wants you to do him a favor. |
| 17. | through thick and thin, under favorable and unfavorable conditions; steadfastly: We have been friends for 20 years, through thick and thin. |

thick (thĭk)
adj. thick·er, thick·est
Relatively great in extent from one surface to the opposite, usually in the smallest solid dimension; not thin.
Measuring a specified number of units in this dimension.
Heavy in form, build, or stature; thickset.
Having component parts in a close, crowded state or arrangement; dense.
Having or suggesting a heavy or viscous consistency.
Having a great number; abounding.
Impenetrable by the eyes.
Not easy to hear or understand; indistinctly articulated.
Noticeably affecting sound; conspicuous.
Producing indistinctly articulated sounds.
In a close, compact state or arrangement; densely.
In a thick manner; deeply or heavily.