What does "quadruplet" mean?

A set of four, particularly; A tuplet of four notes.

What is a synonym for "quadruplet"?

Common synonyms include: quartet, 4, four, four, foursome, iv.

Pronounced //kwɒˈdɹʌplət//.

//kwɒˈdɹʌplət// noun

noun ·Moderate ·High school level

Noun

1
A set of four, particularly; A tuplet of four notes.
2
a set of four similar things considered as a unit wordnet
3
A set of four, particularly; A sequence of four elements.
4
one of four children born at the same time from the same pregnancy wordnet
5
One of a group of four, particularly one of four babies born from the same mother during the same birth.

Show 2 more definitions

6
the cardinal number that is the sum of three and one wordnet
7
A cycle for carrying four riders, arranged so that all the riders can assist in the propulsion.

"Sets of all-identical quadruplets are rare - it is more likely a quadruplet set contains a mixture of fraternal and identical siblings."

From quadruple + -et.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.