Verb: thicken thi-kun
- Become thick or thicker
"The sauce thickened";
- inspissate
- Make thick or thicker
"Thicken the sauce";
- inspissate
- Make viscous or dense
"thicken the sauce by adding flour";
- inspissate
Derived forms: thickens, thickening, thickened
Type of: alter, change, change integrity, change state, modify, turn