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adj. thick·er, thick·est
a. Relatively great in extent from one surface to the opposite, usually in the smallest solid dimension; not thin: a thick board.
b. Measuring a specified number of units in this dimension: two inches thick.
2. Heavy in form, build, or stature; thickset: a thick neck.
3. Having component parts in a close, crowded state or arrangement; dense: a thick forest.
4. Having or suggesting a heavy or viscous consistency: thick tomato sauce.
5. Having a great number; abounding: a room thick with flies.
6. Impenetrable by the eyes: a thick fog.
a. Hard to hear or understand, as from being husky or slurred: thick speech.
b. Very noticeable; pronounced: has a thick accent.
8. Informal Lacking mental agility; stupid.
9. Informal Very friendly; intimate: thick friends.
10. Informal Going beyond what is tolerable; excessive.
1. In a thick manner; deeply or heavily: Seashells lay thick on the beach.
2. In a close, compact state or arrangement; densely: Dozens of braids hung thick from the back of her head.
3. So as to be thick; thickly: Slice the bread thick for the best French toast.
1. The thickest part.
2. The most active or intense part: in the thick of the fighting.
thick and thin
Good and bad times: They remained friends through thick and thin.

[Middle English thicke, from Old English thicce; see tegu- in Indo-European roots.]

thick′ish adj.
thick′ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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It was a thickish volume he had there, small close print, double columns--I can see it now.
The air in a tense room can press 'faces with thickish fingers'; Kit believes 'we all feel we have something banked down deep inside just waiting for its moment, the slow gathering of hot blood'; 'the bad things you do become part of you, literally.
Put onion, garlic, spices, herbs, vinegar, and salt in a food processor and process into a smooth, thickish marinade.
But death overs specialist Jasprit Bumrah bowled a fuller delivery inducing a thickish edge from Dhoni to bring some cheer back in the MI camp.
But soon he got the idea of writing down the quotes he loved (a form of chanting perhaps?), then of commenting on them (a kind of tutelage?), then of musing about them and mulling them over, and finally, as if by accident, his scribblings grew into his sprawling, fecund, thickish book containing three volumes of thin, lively essays.
3 now, make a template of each frame by drawing around it onto some thickish paper or card.
Brisket tasted so beefy, it might have been rubbed with an Oxo cube, and arrived in thickish slices rather than the 'pulled' format.
The v motif was picked up again by thickish brows rising outward from twin creases above a hooked nose, and his pale brown hair grew down--from high flat temples--in a point on his forehead.
TOTAL COST: PS2.25 TOTAL SCORE: 24/30 ASDA SMART PRICE RANGE TOMATO KETCHUP (550g), 42p: Easy peel seal and a thickish sauce which had a tomato puree aftertaste and was quite vinegary.
Tomato Ketchup (550g), 42p Easy peel seal and a thickish sauce which had a tomato puree aftertaste and was quite vinegary.