Word.ws English Dictionary

flubber

flubber noun: a rubbery polymer formed by cross-linking of polyvinyl alcohol with a boron compound, used as a plaything or to demonstrate physical properties.

flubber: a rubbery polymer formed by cross-linking of polyvinyl alcohol with a boron compound, used as a...
Image: Nevit, CC BY-SA 3.0, via Wikimedia Commons

Noun (1)

flubber (uncountable)

  1. A rubbery polymer formed by cross-linking of polyvinyl alcohol with a boron compound, used as a plaything or to demonstrate physical properties.
    Synonyms:
    slime

Noun (2)

flubber (plural flubbers)

  1. One who flubs; a goof, a person who makes errors while speaking.

Synonyms of flubber

Forms of flubber

pluralflubbers

Origin of flubber

Blend of flying + rubber; originally the name of a fictional substance in the film The Absent-Minded Professor (1961).

From flub + -er.

Words that rhyme with flubber

1 more rhymesFewer rhymes

Questions about flubber

What does flubber mean?
Flubber means a rubbery polymer formed by cross-linking of polyvinyl alcohol with a boron compound, used as a plaything or to demonstrate physical properties.
What part of speech is flubber?
Flubber is a noun.
What is the plural of flubber?
The plural of flubber is flubbers.

Words near flubber in the dictionary

  1. fluazuron
  2. flub
  3. flub up
  4. flubbed
  5. flubbed up
  6. flubber
  7. flubbers
  8. flubbing
  9. flubbing up
  10. flubby
  11. flubdub

Source and license

Adapted from Wiktionary: flubber (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.

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