a stretch of turbulent water in a river or the sea caused by one current flowing into or across another current
"The boat struggled to maintain its course as it entered the dangerous rip where two opposing tides collided."
A tear (in paper, etc.).
"After the company's financial scandal, several executives faced a rip as part of the restructuring plan."
A wicker basket for fish.
A worthless horse; a nag.
A handful of unthreshed grain.
Repeat-induced point mutation, a process by which both copies of duplicated sequences are mutated.
Initialism of reduction in pay.
In plain English: A rip is a long, narrow hole that tears through fabric or other material when it gets pulled apart too hard.
"He had to give his shirt away because there was such a big rip in the pocket."
Usage: As a noun, "rip" refers specifically to an act of tearing something apart rather than the object itself being torn. Do not confuse this with using it as a verb meaning to damage or remove parts by force unless you are describing that specific action in progress.
cut (wood) along the grain
"The carpenter used a maul to rip the oak plank in half along the grain."
To divide or separate the parts of (especially something flimsy such as paper or fabric), by cutting or tearing; to tear off or out by violence.
"The strong wind ripped the thin plastic tarp from its poles during the storm."
In plain English: To rip something means to pull it apart violently so that it tears into pieces.
"He ripped open his present to see what was inside."
Initialism of requiescat in pace, initialism of requiescant in pace or initialism of rest in peace.
"The inscription on his tombstone simply read RIP to honor the deceased."
Routing information protocol, a dynamic routing protocol used in local and wide area networks.
"The network administrator configured RIP to automatically update routing tables across the corporate LAN."
The word rip comes from Middle English and originally meant to pluck something. It traveled into modern usage with the sense of tearing or breaking apart, derived ultimately from a Proto-Germanic root meaning "to break."