islet

noun

is·​let ˈī-lət 

1

: a little island

2

: islet of langerhans

Synonyms of islet

• island

Examples of islet in a Sentence

landed the boat on a tiny islet that we had all to ourselves

Recent Examples on the Web

Tragedy near Puerto Rico The interception from Haiti comes just over a week after an overloaded boat capsized off a small islet between Hispaniola, the island Haiti shares with the Dominican Republic, and Puerto Rico with 62 people on board. — Jacqueline Charles, Miami Herald, 7 Oct. 2026

Less than two miles long and a third of a mile wide, the islet was created from sand dredged from the river in the 1960s when the Elbe was deepened to allow container ships to travel upriver to port in Hamburg. — Scott Roxborough, HollywoodReporter, 16 Sep. 2026

In Angra dos Reis, there are dramatic mountain vistas, verdant jungle carpeting every ridge and islet, and warm, cerulean water. — Hannah Seligson, Travel + Leisure, 16 Aug. 2026

Nolan also shot in the coves and beaches surrounding Favignana’s coastline and in the nearby tiny islet of Preveto. — Nick Vivarelli, Variety, 31 July 2026

Word History

First Known Use

1538, in the meaning defined at sense 1

Phrases Containing islet

• islet of Langerhans

Rhymes for islet

• eyelet
• pilot
• stylet
• autopilot

Kids Definition

islet

noun

is·​let ˈī-lət 

1

: a little island

2

: islet of Langerhans

Medical Definition

islet

noun

is·​let ˈī-lət 

: a small isolated mass of one type of tissue within a different type

specifically : islet of langerhans