present participle of thick

Third-person singular simple present indicative form of thick

The thickness, expressed in mils, of an applied and cured coating or mastic.

plural of dry film thickness

the thickness of a given shielding material required to halve a given type of radiation

Having a thick skin. / Not easily offended. / Insensitive to the feelings of others; callous. / (obsolete) Obtuse, thick, intellectually dull or insensitive.

Both thickets and thin woodland; (through) all obstacles in a path. / (idiomatic) Both good and bad times.

(simile) Very stupid; slow to learn or understand.

(idiomatic, simile, of friends or members of a group) Intimate, close-knit, tight.

(simile, informal) Very stupid.