rip

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To cut, tear apart, or tear away roughly or energetically. See Synonyms at tear¹.
2. v. To split or saw (wood) along the grain.
3. v. To subject to vehement criticism or attack: The critic ripped the tedious movie.
4. v. Informal To produce, display, or utter suddenly: ripped out a vicious oath.
5. v. Computer Science To copy (audio or audio-visual material from a CD or DVD).
6. v. To become torn or split apart.
7. v. Informal To move quickly or violently.
8. n. The act of ripping.
9. n. A torn or split place, especially along a seam.
10. n. A ripsaw.
11. rip into To attack or criticize vehemently: ripped into her opponent's political record.
12. rip off Slang To steal from: thieves who ripped off the unsuspecting tourist.
13. rip off Slang To steal: ripped off a leather jacket while ostensibly trying on clothes.
14. rip off Slang To exploit, swindle, cheat, or defraud: a false advertising campaign that ripped off consumers.
15. n. A stretch of water in a river, estuary, or tidal channel made rough by waves meeting an opposing current.
16. n. A rip current.
17. n. A dissolute person.
18. n. An old or worthless horse.

Century Dictionary and Cyclopedia

1. To separate or divide the parts of by cutting or tearing; tear or cut open or off; split: as, to rip open a sack; to rip off the shingles of a roof; to rip up the belly; especially, to undo (a seam, as of a garment), either by cutting the threads of it or by pulling the two pieces of material apart, so that the sewing-thread is drawn out or broken.
2. To drag or force out or away, as by cutting or rending.
3. Figuratively, to open or reopen for search or disclosure; lay bare; search out and disclose: usually with up. See ripe.
4. To saw (wood) in the direction of the grain. See rip-saw.
5. To rob; pillage; plunder.
6. Synonyms Tear, Cleave, etc. See rend.
7. To be torn or split open; open or part: as, a seam rips by the breaking or drawing out of the threads; the ripping of a boiler at the seams.
8. To rush or drive headlong or with violence. [Colloq.]
9. n. A rent made by ripping or tearing; a laceration; the place so ripped.
10. n. A rip-saw.
11. n. A wicker basket in which to carry fish.
12. To break forth with violence; explode: with out.
13. To utter with sudden violence; give vent to, as an oath: with out.
14. n. A vicious, reckless, and worthless person; a “bad lot”: applied to a man or woman of vicious practices or propensities, and more or less worn by dissipation.
15. n. A worthless or vicious animal, as a horse or a mule.
16. A dialectal form of reap. Halliwell.
17. n. A handful of grain not thrashed.
18. n. A ridge of water; a rapid.
19. n. A little wave; a ripple; especially, in the plural, ripples or waves formed over a bar or ledge, as when the wind and tide are opposed.
20. n. An implement for sharpening a scythe. Compare rifle.

Wiktionary

1. n. A tear (in paper, etc.).
2. n. A type of tide or current.
3. n. slang A comical, embarrassing, or hypocritical event or action.
4. n. slang A hit (dose) of marijuana.
5. n. slang, archaic A mean, worthless thing or person, such as a debauchee or a worn-out horse.
6. v. transitive To cause something, usually paper, to rapidly become two parts.
7. v. intransitive To tear apart; to rapidly become two parts.
8. v. woodworking To cut wood along (parallel to) the grain. Contrast crosscut.
9. v. transitive, slang, computing To copy data from CD, DVD, Internet stream, etc. to a hard drive, portable device, etc.
10. v. slang, narcotics To take a "hit" of marijuana.
11. v. slang To fart.
12. v. US, slang To mock or criticize.
13. v. transitive, slang To steal; to rip off.

GNU Webster's 1913

1. n. A wicker fish basket.
2. v. To divide or separate the parts of, by cutting or tearing; to tear or cut open or off; to tear off or out by violence; ; -- commonly used with up, open, off.
3. v. To get by, or as by, cutting or tearing.
4. v. To tear up for search or disclosure, or for alteration; to search to the bottom; to discover; to disclose; -- usually with up.
5. v. To saw (wood) lengthwise of the grain or fiber.
6. n. A rent made by ripping, esp. by a seam giving way; a tear; a place torn; laceration.
7. n. Slang. A term applied to a mean, worthless thing or person, as to a scamp, a debauchee, or a prostitute, or a worn-out horse.
8. n. A body of water made rough by the meeting of opposing tides or currents.

WordNet 3.0

1. v. tear or be torn violently
2. v. criticize or abuse strongly and violently
3. n. a dissolute man in fashionable society
4. n. a stretch of turbulent water in a river or the sea caused by one current flowing into or across another current
5. v. cut (wood) along the grain
6. n. the act of rending or ripping or splitting something
7. v. move precipitously or violently
8. n. an opening made forcibly as by pulling apart