gelatinous

adjective

ge·​lat·​i·​nous jə-ˈla-tə-nəs 

-ˈlat-nəs

1

: resembling gelatin or jelly : viscous

a gelatinous precipitate

2

: of, relating to, or containing gelatin

gelatinously adverb

gelatinousness noun

Examples of gelatinous in a Sentence

Recent Examples on the Web

The gelatinous blob uses a hood surrounding its head to catch prey and has detachable tentacles; its hood and tail are decorated with glowing blue-green dots. —Andrea Thompson, Scientific American, 25 Dec. 2025

Further analysis of museum specimens’ stomach contents confirmed that seven-arm octopus feeds on jellyfish and other gelatinous animals. —Bailey Richards, PEOPLE, 23 Dec. 2025

Chia seeds are known for their high fiber content and their filling, gelatinous texture. —Sherri Gordon, Health, 9 Dec. 2025

Its skeleton consists of millions of mineral particles, suspended in a gelatinous matrix, that compact to protect itself from danger. —Georgina Jedikovska, Interesting Engineering, 27 Oct. 2025

Word History

First Known Use

1712, in the meaning defined at sense 1

Kids Definition

gelatinous

adjective

ge·​lat·​i·​nous jə-ˈlat-nəs 

-ᵊn-əs

1

: resembling gelatin or jelly

2

: of, relating to, or containing gelatin

Medical Definition

gelatinous

adjective

ge·​lat·​i·​nous jə-ˈlat-nəs, -ᵊn-əs 

1

: resembling gelatin or jelly : viscous

2

: of, relating to, or containing gelatin