Thicken Definition

thĭkən
thickened, thickening, thickens
verb
thickened, thickening, thickens
To make or become thick or thicker.
Thicken the sauce with cornstarch. The crowd thickened near the doorway.
American Heritage
To make or become more intense, intricate, or complex.
The leader's departure thickens the problems. Our apprehension thickened.
American Heritage
To make or become thick or thicker, as in dimension, density, consistency, articulation, etc.
Webster's New World
To make or become more complex or involved.
The plot thickened.
Webster's New World
To strengthen; to confirm.
Wiktionary