rimless

UK: /ˈrɪmləs/

WordReference Random House Learner's Dictionary of American English © 2025

rim /rɪm/   n., v., rimmed, rim•ming. 
n. [countable]

1. the outer edge or border of something:
   a chip on the rim of the glass.
2. the outer circle of a wheel, attached to the hub by spokes.

v. [~ + object]

3. to furnish with a rim.
4. Sport to roll around the edge of but not go in:
   His last shot rimmed the basket.

WordReference Random House Unabridged Dictionary of American English © 2025

rim  (rim), n., v., rimmed, rim•ming. 
n. 

1. the outer edge, border, margin, or brink of something, esp. of a circular object.
2. any edge, margin, or frame added to or around a central object or area.
3. the outer circle of a wheel, attached to the hub by spokes.
4. a circular strip of metal forming the connection between an automobile wheel and tire, either permanently attached to or removable from the wheel.
5. Mechanical Engineering a drive wheel or flywheel, as on a spinning mule.
6. Sport [Basketball.] the metal ring from which the net is suspended to form the basket.
7. Journalism the outer edge of a usuallyU-shaped copy desk, occupied by the copyreaders. Cf. slot (def. 5).
8. Metallurgy (in an ingot) an outer layer of metal having a composition different from that of the center.

v.t. 
9. to furnish with a rim, border, or margin.
10. Sport (of a golf ball or putt) to roll around the edge of (a hole) but not go in.
11. Sport [Basketball.] (of a basketball) to roll around (the rim of the basket) and not go in.
12. Wine to coat or encrust the rim of (a glass):
    Rim each cocktail glass with salt.
• bef. 1150; Middle English; Old English -rima (in compounds); cognate with Old Norse rimi raised strip of land, ridge
rim′less, adj. 
Synonyms
• 1. lip, verge.
  Rim, brim refer to the boundary of a circular or curved area. A rim is a line or surface bounding such an area; an edge or border:
  the rim of a glass.
  Brim usually means the inside of the rim, at the top of a hollow object (except of a hat), and is used particularly when the object contains something:
  The cup was filled to the brim.
Antonyms
• 1. center.