Word.ws English Dictionary

ultrahazardous

ultrahazardous adjective: extremely hazardous.

Adjective

ultrahazardous (comparative more ultrahazardous, superlative most ultrahazardous)

  1. Extremely hazardous.

Forms of ultrahazardous

comparativemore ultrahazardous
superlativemost ultrahazardous

Origin of ultrahazardous

From ultra- + hazardous.

Words formed from ultrahazardous

Phrases with ultrahazardous

Questions about ultrahazardous

What does ultrahazardous mean?
Ultrahazardous means extremely hazardous.
What part of speech is ultrahazardous?
Ultrahazardous is an adjective.

Words near ultrahazardous in the dictionary

  1. ultragreen
  2. ultrahard
  3. ultrahardness
  4. ultraharmonic
  5. ultraharmonics
  6. ultrahazardous
  7. ultrahazardous activities
  8. ultrahazardous activity
  9. ultrahealing
  10. ultraheat
  11. ultraheated

Source and license

Adapted from Wiktionary: ultrahazardous (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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