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

• blob
• chunk
• clod
• clot
• clump
• dollop
• glob
• gob
• gobbet
• hunk
• lump
• nub
• nubble
• nugget
• wad

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

While the Heston 120’s design pleasingly includes a classic set of analogue Marshall control knobs, it can also be fully controlled using a new Marshall app that includes an option to run a room calibration system to adapt the soundbar’s sound to your particular room layout. —John Archer, Forbes.com, 20 May 2025

Check the base of the beater shaft, rims around the motor housing, ventilation openings, and control knobs and switches. —Brandee Gruener, Southern Living, 19 May 2025

Kids love the interactive lights, sounds and music activated by multiple knobs and buttons located on the large steering wheel. —Bestreviews, Mercury News, 16 May 2025

Remove grates and avoid spraying any of the electrical or heating components, including the knobs, directly. —Mary Cornetta, Better Homes & Gardens, 15 May 2025

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