noun · verb · 15 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.
General-American, Received-Pronunciation:/nʌb/
Australia:Recorded audio is listed in the source snapshot.
Ireland, Northern-England:/nʊb/
rhymes with -ʌb
Received-Pronunciation:/nuːb/
General-American:/nub/
rhymes with -uːb
CMU ARPABET:N AH1 B
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The innermost section of a chrysalis in a silk cocoon.
Definition source: English Wiktionary via Wiktextract
Usage: obsolete
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A small knob or lump.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: nubbin
Antonyms: none provided
3
noun
Meaning 3
The essence or core of an issue, argument etc.
Definition source: English Wiktionary via Wiktextract
Examples
What do you think is the nub of the problem?
Meaning relationships
Synonyms: crux, gist, bowels, sum, brass tacks, core, essence, drift, guts, gravamen, heart, heart and soul, heartstring, heartstrings, inwardness, kernel, marrow, meat, moral of the story, nitty-gritty, nub, nuts and bolts, pith, punctum saliens, quintessence, soul, spirit, stuff, substance, tenor
Antonyms: none provided
4
noun
Meaning 4
The clitoris.
Definition source: English Wiktionary via Wiktextract
Usage: euphemistic, slang, vulgar
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
A pointing stick.
Definition source: English Wiktionary via Wiktextract
Either directly from Middle Low German, or from knub, from a Middle Low German word (compare Low German Knubbel, Knobbel (“knot; lump”)). Compare knob.
Variant spelling of noob.
Across languages
Translations
20 source translations are retained for this English entry.
Bulgarian:
бучка
(bučka)
— small knob or lump
Czech:
hrudka
— small knob or lump
German:
Klümpchen
— small knob or lump
German:
Stückchen
— small knob or lump
German:
Noppe
— small knob or lump
Indonesian:
tombol
— small knob or lump
Polish:
gruda
— small knob or lump
Polish:
bryła
— small knob or lump
Bulgarian:
същност
(sǎštnost)
— essence or core of an issue, argument etc.
Czech:
podstata
— essence or core of an issue, argument etc.
Czech:
jádro
— essence or core of an issue, argument etc.
German:
Pointe
— essence or core of an issue, argument etc.
German:
Kernpunkt
— essence or core of an issue, argument etc.
German:
Kern
— essence or core of an issue, argument etc.
Indonesian:
inti
— essence or core of an issue, argument etc.
Indonesian:
sari
— essence or core of an issue, argument etc.
Māori:
ngako
— essence or core of an issue, argument etc.
Norwegian:
kjerne
— essence or core of an issue, argument etc.
Polish:
sedno
— essence or core of an issue, argument etc.
Russian:
суть
(sutʹ)
— essence or core of an issue, argument etc.