flubber
noun
flubber is a noun meaning “A rubbery polymer formed by cross-linking of polyvinyl alcohol with a boron compound, used as a plaything or to demonstrate physical properties” (English Wiktionary, September 2026). It is spelled F-L-U-B-B-E-R, and it appears about once in every 17 million words in written English (wordfreq, 2021 data). The plural of flubber is flubbers.
What does flubber mean?
noun
- 1
A rubbery polymer formed by cross-linking of polyvinyl alcohol with a boron compound, used as a plaything or to demonstrate physical properties.
- 2
One who flubs; a goof, a person who makes errors while speaking.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of flubber
- flubbers plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is flubber?
Flubber appears about once in every 17 million words in written English, the 122,704th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Flubber in Spanish, French, German and Portuguese
In the sense Translations:
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does flubber come from?
Blend of flying + rubber; originally the name of a fictional substance in the film The Absent-Minded Professor (1961).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).