Ripper vs Undefined - What's the difference?

As a noun ripper

is something that rips (something else) or ripper can be (obsolete) one who brings fish from the seacoast to markets in inland towns.

lacking a definition or value.

; originated 1605–15.

(en noun)

Something that rips (something else).

Someone who rips (something).

A legislative bill or act that transfers powers of appointment from the usual holders to a chief executive or a board of officials.

A murderer who kills and often mutilates victims with a blade or similar sharp weapon.

(mining) A hook-like tool used to tear away ore, rock, etc.

(British, AU, slang) Something that is an excellent example of its kind.

* 2001 , Filton Hebbard, Memories of Kalgoorlie: Tales from the Australian Outback (page 334)

Martin walked around the vehicle, viewing it from all angles and giggling as he did so. “She's a ripper , Bert, a real ripper!”

(computing) Software that extracts content from files or storage media.

(agriculture) A tool or plant used to reduce soil compaction.

A hot dog deep-fried in oil until the casing bursts.

* radish ripper

* * *

Compare .

* ripler

(en noun)

(obsolete) One who brings fish from the seacoast to markets in inland towns.

* Beaumont and Fletcher

But what's the action we are for now? Robbing a ripper of his fish.

(Webster 1913) English agent nouns

(wikipedia undefined) (-)

Lacking a definition or value.

(mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.

The result of division by zero is undefined .

* defined