gum

1 of 4

noun (1)

ˈgəm 

: the tissue that surrounds the necks of teeth and covers the alveolar parts of the jaws

broadly : the alveolar portion of a jaw with its enveloping soft tissues

gum

2 of 4

verb (1)

gummed; gumming

transitive verb

1

: to enlarge gullets of (a saw)

2

: to chew with the gums

gum

3 of 4

noun (2)

1

a

: any of numerous colloidal polysaccharide substances of plant origin that are gelatinous when moist but harden on drying and are salts of complex organic acids compare mucilage sense 1

b

: any of various plant exudates (such as an oleoresin or gum resin)

2

: a substance or deposit resembling a plant gum (as in sticky or adhesive quality)

3

a

: a tree (such as a black gum) that yields gum

b

Australia : eucalyptus

4

: the wood or lumber of a gum

especially : that of the sweet gum

5

: chewing gum

gum

4 of 4

verb (2)

gummed; gumming

transitive verb

: to clog, impede, or damage with or as if with gum

gum up the works

intransitive verb

1

: to exude or form gum

2

: to become gummy

gummer noun

Synonyms

Verb (2)

• block
• choke
• clog
• clot
• congest
• dam
• jam
• obstruct
• occlude
• plug (up)
• stop (up)
• stuff

Examples of gum in a Sentence

Verb (2)

pipes gummed up with cooking grease

Recent Examples on the Web

Noun

DeCicco shared a recipe for frothed, grass-fed half-and-half with cinnamon and hazelnut extract, explaining how half-and-half is a more natural milk option, excluding gums, additives or preservatives. —Angelica Stabile, FOXNews.com, 12 Apr. 2025

What makes this set so rare is that the price of the cards was the same in Mexico as in the U.S., except each pack contained two cards and a stick of gum, versus the 10 cards and a stick of gum that kids in the states were able to buy for the same equivalent 15 cents. —Michael Salfino, New York Times, 12 Apr. 2025

Verb

But years of cheese consumption had apparently led to tiny bits of cheese getting down into the mechanism and gumming it up something terrible. —Nate Anderson, Ars Technica, 22 Mar. 2025

The maneuver eliminates vehicles stacking up in the middle of the main road at the intersection itself, which can often result in turning vehicles sitting through more than one light cycle and spilling over into the through lanes, gumming up the entire roadway. —John Aguilar, The Denver Post, 20 Mar. 2025

Word History

Etymology

Noun (1)

Middle English gome, from Old English gōma palate; akin to Old High German guomo palate, and perhaps to Greek chaos abyss

Noun (2)

Middle English gomme, from Middle French, from Latin cummi, gummi, from Greek kommi, from Egyptian qmyt

First Known Use

Noun (1)

before the 12th century, in the meaning defined above

Verb (1)

1777, in the meaning defined at sense 1

Noun (2)

14th century, in the meaning defined at sense 1a

Verb (2)

1597, in the meaning defined at transitive sense

Phrases Containing gum

• black gum
• blue gum
• bubble gum
• by gum
• chewing gum
• guar gum
• gum arabic
• gum boot
• gum resin
• gum tragacanth
• gum tree
• gum turpentine
• gum up (something)
• gum up the works
• karaya gum
• red gum
• sour gum
• spirit gum
• sweet gum
• up a gum tree
• xanthan gum

Rhymes for gum

• bum
• chum
• come
• crum
• cum
• drum
• dum
• dumb
• from
• frum
• glum
• hum

Kids Definition

gum

1 of 3 noun

ˈgəm 

: the tissue along the jaws of animals that surrounds the necks of the teeth

gum

2 of 3 noun

1

: any of numerous complex sticky colloidal substances (as gum arabic) that are obtained from plants, harden on drying, and are either soluble in water or swell up in contact with water and that are used in preparing some drugs, for adhesives, as food thickeners, and in inks

also : any of various gummy plant substances including natural resins, rubber, and rubberlike substances

2

: a substance resembling a plant gum (as in stickiness)

3

: a tree that yields a gum

4

: chewing gum

gum

3 of 3 verb

gummed; gumming

1

: to smear, seal, or clog with or as if with gum

2

: to cause not to work properly

gum up the works

Etymology

Noun

Old English gōma "roof of the mouth, palate"

Noun

Middle English gomme "plant gum," from early French gomme (same meaning), from Latin cummi, gummi (same meaning), derived from Egyptian qmyt "plant gum"

Medical Definition

gum

1 of 3 noun

ˈgəm 

: the tissue that surrounds the necks of teeth and covers the alveolar parts of the jaws

broadly : the alveolar portion of a jaw with its enveloping soft tissues

gum

2 of 3 transitive verb

gummed; gumming

: to chew with the gums

gum

3 of 3 noun

1

: any of numerous colloidal polysaccharide substances of plant origin that are gelatinous when moist but harden on drying and are salts of complex organic acids compare mucilage

2

: any of various plant exudates (as a mucilage, oleoresin, or gum resin)