Definition of "sag" in 英语

noun

1. The state of sinking or bending; a droop.

2. The difference in elevation of a wire, cable, chain or rope suspended between two consecutive points.

3. The difference in height or depth between the vertex and the rim of a curved surface, specifically used for optical elements such as a mirror or lens.

4. A place where the surface (of a seat, the earth, etc) sinks or droops, like a depression or a dip in a ridge.

verb

1. To sink, in the middle, by its weight or under applied pressure, below a horizontal line or plane.

   • A line or cable supported by its ends sags, even if it is tightly drawn.
   • The floor of a room sags.
   • Her once firm bosom began to sag in her thirties.

2. (by extension) To lean, give way, or settle from a vertical position.

   • A building may sag one way or another.
   • The door sags on its hinges.
   • The weather became more and more threatening; the ship sagged to the leeward more than she ought.

3. (figuratively) To lose firmness, elasticity, vigor, or a thriving state; to sink; to droop; to flag; to bend; to yield, as the mind or spirits, under the pressure of care, trouble, doubt, or the like; to be unsettled or unbalanced.

4. To loiter in walking; to idle along; to drag or droop heavily.

5. (transitive) To cause to bend or give way; to load.

6. (informal) To wear one's trousers so that their top is well below the waist.

7. (informal, Canada) To pull down someone else's pants as a prank.

noun

1. Alternative form of saag.