Tachy-

//ˌtæk.ɪ// prefix

prefix ·Rare ·Advanced level

Definitions

Prefix
  1. 1
    Fast. morpheme

Antonyms

All antonyms
brady

Etymology

From Ancient Greek ταχύς (takhús, “swift”).

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