Adjective
1. lacking ease in bending; not limber;
"a stiff neck""stiff joints""stiff hairs"2. not moving or operating freely;
"a stiff hinge"3. powerful;
"a stiff current""a stiff breeze""a stiff drink"4. rigidly formal;
"a starchy manner""the letter was stiff and formal""his prose has a buckram quality"5. hard to overcome or surmount;
"a stiff hike""a stiff exam""an uphill battle against a popular incumbant"6. of a collar; standing up rather than folded down;
"an uncomfortable standup collar""a stiff collar"7. incapable of or resistant to bending;
"a rigid strip of metal""a table made of rigid plastic""a palace guardsman stiff as a poker"8. very drunk