Word.ws English Dictionary

radder

radder is the comparative form of rad.

Meaning of rad

Noun

rad (plural rads)

  1. A non-SI unit of absorbed dose of radiation, equal to 0.01 gray, that is, 1 centigray.
    • Near-synonyms: centigray, cGy (same physical quantity)
    Synonyms:
    centigray

Proper noun capitalized: Radder

the Radder

  1. (archaic, Oxford University slang) The Radcliffe Camera.
    Synonyms:
    Rad Cam

Synonyms of radder

Origin of radder

Jocular modification of Radcliffe + -er. See Oxford "-er".

Words that rhyme with radder

Questions about radder

What does radder mean?
Radder means the Radcliffe Camera.
What is radder the comparative form of?
Radder is the comparative form of rad.
What part of speech is radder?
Radder is a proper noun.

Words near radder in the dictionary

  1. Raddatzes
  2. radde
  3. Radde's warbler
  4. Radde's warblers
  5. Raddell
  6. radder
  7. raddest
  8. raddish
  9. raddishes
  10. raddle
  11. raddled

Source and license

Adapted from Wiktionary: radder (page history and authors); Radder (page history and authors); rad (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: En-au-Radder.ogg.

Cite this entry: “radder.” Word.ws, https://word.ws/radder. Based on Wiktionary, CC BY-SA 4.0.