quantum leap

1. 1.

   a sudden large increase or advance

   “this may not insure success but it will represent a quantum leap from last summer”

   Synonymsquantum jump

   Broaderjump

Questions about quantum leap

What does quantum leap mean?

quantum leap means "a sudden large increase or advance".

What is another word for quantum leap?

Close synonyms include quantum jump. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is quantum leap a common word?

quantum leap is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.