Standard Lemma guide

flubber

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • rhymes with -ʌbə(ɹ)

1

noun

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: slime

Antonyms: none provided

2

noun

Meaning 2

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

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

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

From flub + -er.

Across languages

Translations

5 source translations are retained for this English entry.

  • German: Glibber — Translations
  • German: Schleim — Translations
  • Korean: 슬라임 (seullaim) — Translations
  • Korean: 액체괴물 (aekchegoemul) — Translations
  • Korean: 액괴 (aekgoe) — Translations