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

Thankfully, Rinca, the other islet on which dragons can be easily seen, remains a quieter place. — Craig Stanford, Big Think, 7 May 2026

Goat Island, or Isla de Cabras, is a small islet in the middle of the mouth of San Juan Bay. — Kerry Breen, CBS News, 3 Apr. 2026

Nosy Iranja, Madagascar Off the coast of Madagascar, a lowering tide reveals two tiny islets from a sandbar. — Kathleen Wong, USA Today, 30 Apr. 2026

Last year, Centara opened two new resorts in the North Male Atoll, a chain of over 50 islands and islets that’s home to mesmerising corals and marine life. — Deeya Sonalkar, TheWeek, 18 June 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