ultrahard

U1L1T1R1A1H4A1R1D2

adjective

Extremely hard; of utmost hardness.

OriginEnglish hard ← Middle English hard ← Old English heard →
Scrabble 13
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Meanings

adjectiveultrahard (comparative more ultrahard, superlative most ultrahard)

comparative more ultrahard · superlative most ultrahard

  1. Extremely hard; of utmost hardness.
adjectiveultrahard (not comparable)
  1. not comparableharder than diamond, harder than 150GPa resistance

Origin

  1. Proto-Indo-European*h₂el-
  2. Latinūls
  3. Latinultrā
  4. Englishultra-
  5. Proto-Indo-European*kret-der.?
  6. Proto-Germanic*harduz
  7. Proto-West Germanic*hard(ī)
  8. Old Englishheard
  9. Middle Englishhard
  10. Englishhard
  11. Englishultrahard

From ultra- + hard.

Full word history & related roots →
Cite this entry
APA

ultrahard. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/ultrahard

MLA

“ultrahard.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ultrahard. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “ultrahard,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/ultrahard.

Source: ultrahard on Wiktionary, CC BY-SA 4.0.