hypersonic

Fetched 2026-10-26 (cache).

Synonyms: hypertonic, hyperbolic, hypersomniac, supersonic, hypersomnia, hyperopic, hyperoxic, hypertonia, hypergolic, hypermanic, hypernic

Antonyms: hypertonic, hyperbolic, hypersomniac, supersonic, hypersomnia, hyperopic, hyperoxic, hypertonia, hypergolic, hypermanic, hypernic

Related words from Datamuse; suggestions, not definitions.

Adjective

1. {{lb|en|aviation}} Of a [[speed]], equal to, or greater than, or capable of achieving, five times the [[speed of sound]].
2. {{lb|en|aeronautics}} Of a [[speed]], far enough above the speed of sound as to cause significant differences in behaviour due to chemical reactions or dissociation of the air.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.