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

Gasper still carries the Yankees to the plate with him in a sticker on the knob of his bat. — Tyler Kepner, New York Times, 4 Sep. 2026

Use a drill or screwdriver to remove the existing handles or knobs, then attach a new set. — Emily Williams, Better Homes & Gardens, 2 Sep. 2026

Clean the Hardware Before cleaning the handles, knobs, or drawer pulls, consider the hardware material. — Mary Marlowe Leverette, The Spruce, 1 Sep. 2026

But before Bane can finish him off, Batman stabs a Batarang into a little knob on Bane’s wrist gauntlet, the one that controls his intake of Venom. — Daniel Dockery, Vulture, 24 Aug. 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