coated with glue, paste, mastic, or other sticky substance

adhesive bandages.

sticking fast; sticky; clinging.

Physics . of or pertaining to the molecular force that exists in the area of contact between unlike bodies and that acts to unite them.

a substance that causes something to adhere, as glue or rubber cement.

adhesive tape.

Philately . a postage stamp with a gummed back, as distinguished from one embossed or printed on an envelope or card.