To convert (a membrane or cartilage, for example) into bone.
To become thicker
To produce rigidness akin to stone.
To clot is to thicken.
To thicken; coagulate; jell
To become a gel.
To reinforce is defined as to increase the number or amount, or to make stronger.
The definition of add means to join or bring together for the purpose of increasing in number or importance or to change the effect.
To speak or write at length or in detail:
To speak or write at greater length or in greater detail; expatiate (on or upon)
To prop up; bolster
To cause to increase in volume, size, number, degree, or intensity:
To make or become weak or weaker
To make thicker
To become fixed, settled, or less subject to change:
To make or become stiff or stiffer.
To cover or fill with a thick layer, as of compacted matter:
To harden; solidify.
To cause to coagulate or thicken; to cause to congeal; to curdle.
To make lower in tone
To take shape or become clear; crystallize:
(Intransitive) To become attenuated, thin, or weak.
Thin means in a slender or narrow way.
To dissolve; disintegrate
Without a break or opening; completely or continuously:
To become fixed; harden:
Find another word for thicken. In this page you can discover 45 synonyms, antonyms, idiomatic expressions, and related words for thicken, like: coagulate, ossify, grow thick, widen, thaw, curdle, petrify, solidify, freeze, clot and congeal.