knob

noun

ˈnäb 

1

a

: a small rounded ornament or handle

b

: a rounded protuberance : lump

2

: a rounded usually isolated hill or mountain

knobbed

ˈnäbd 

adjective

knobby

ˈnä-bē 

adjective

Synonyms of knob

• chunk
• hunk
• clump
• wad
• glob
• lump

Examples of knob in a Sentence

a carved walking stick with a silver knob

toss a knob of butter into the frying pan

Recent Examples on the Web

The Signature Round Deep Oven offers plenty of features that justify the investment, like its easy-to-clean enamel that resists chipping, dulling, and staining, a tight-fitting lid that helps circulate steam, and an ergonomic knob for effortless lifting. —Mariana Best, Better Homes & Gardens, 27 Feb. 2026

Perhaps the most striking detail of the piece, though, is the lid that’s embossed with a stunning floral design and finished with a gold-tone knob. —Alicia Geigel, Southern Living, 25 Feb. 2026

Each one locks into place for safety via the corresponding small knob switch on the handle. —New Atlas, 24 Feb. 2026

Just moments earlier, Finland goalie Juuse Saros made an incredible save, hitting a puck away with the knob of his stick to keep this game tied. —Andrew Greif, NBC news, 20 Feb. 2026

Word History

Etymology

Middle English knobbe; akin to Middle Low German knubbe knob

First Known Use

15th century, in the meaning defined at sense 1b

Phrases Containing knob

• stop knob

Rhymes for knob

• blob
• bob
• cob
• daub
• fob
• glob
• gob
• hob
• job
• lob
• mob
• rob

Kids Definition

knob

noun

ˈnäb 

1

a

: a rounded lump

b

: a small rounded handle

2

: a rounded hill

knobbed

ˈnäbd 

adjective

knobby

ˈnäb-ē 

adjective

Medical Definition

knob

noun

ˈnäb 

: a rounded protuberance or lump

knobby

ˈnäb-ē 

adjective