Stiffen and Thicken

Stiffen verb - To make more harsh, uncompromising, or severe.

Thicken is a synonym for stiffen in harden topic. In some cases you can use "Thicken" instead a verb "Stiffen", when it comes to topics like become stiff, process, coagulate, crust. popular alternative

Nearby Words: stiff, stiffness, stiffly, stiffening

Thicken verb - Make thick or thicker.

Stiffen is a synonym for thicken in harden topic. You can use "Stiffen" instead a verb "Thicken", if it concerns topics such as activity, process, set, coagulate. popular alternative

Nearby Words: thick, thickness, thickening, thickly, thickener