noun

singleton

SIHNG-gl-tuhn

noun

The only card of its suit in a card player's hand.

"He held a singleton spade and had to discard it early."

A baby or animal born alone rather than as part of a twin or multiple birth.

"Most human pregnancies result in a singleton rather than twins."

(programming) A design pattern where a class can only ever be created as one single object.

"The database connection is implemented as a singleton so only one instance exists."

How to Use Singleton

Learner’s notes

In plain EnglishSomething that exists as just one — a lone card, a solo birth, or (in code) an object type limited to a single instance.

more singleton comparative, singletons plural, Singletons plural, most singleton superlative

Study it as flashcards or scroll it in Flow — saved to your collection.

Can you complete this real example?

He held a _____ spade and had to discard it early.

From single plus the suffix -ton, likely modelled on "simpleton."

wedder

Breton skeleton Carleton Appleton Eagleton simpleton Middleton Pendleton Stapleton Littleton Pembleton Shackleton

wedder