plaster UK /ˈplɑːstə/US /ˈplæstɚ/verb 7noun 6forms 3phrases 1 verb7 •To cover or coat something with plaster; to render. •To hide or cover up, as if with plaster; to cover thickly.The radio station plastered the buses and trains with its advertisement. •To cover a surface extensively with something, especially posters, pictures, or notices.The workmen plastered the wall with pictures. •To smear with some viscous or liquid substance.Her face was plastered with mud. •To apply a plaster to. •(figurative) To bombard heavily or overwhelmingly; to overwhelm (with weapons fire). •(figurative) To smooth over. noun6 •A mixture of lime or gypsum, sand, and water, sometimes with the addition of fibres, that hardens to a smooth solid and is used for coating walls and ceilings. •A similar material used for exterior walls. •Plaster of Paris. •(UK, Canada) A small adhesive bandage to cover a minor wound; a sticking plaster. •A cast made of plaster of Paris and gauze; a plaster cast. •A paste applied to the skin for healing or cosmetic purposes.Then Jill came in, And she did grin, To see Jack's paper plaster; Her mother whipt her, Across her knee, For laughing at Jack's disaster. — 1810 formsplastered · plastering · plasters Phrases with plaster sticking plasterAn adhesive bandage used in dressing wounds.