surd

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|arithmetic}} An [[irrational number]], especially one expressed using the √ symbol.
2. {{lb|en|linguistics}} A [[voiceless]] [[consonant]].

Adjective

1. {{lb|en|obsolete}} Lacking the sense of [[hearing]]; [[deaf]].
2. {{lb|en|obsolete}} [[unheard]]
3. {{lb|en|math}} Involving surds, or irrational numbers; not capable of being expressed in rational numbers.
4. {{lb|en|phonetics}} [[unvoiced]]; [[voiceless]]

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