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Definition of biohazardous
biohazardous
/ˌbaɪ.oʊˈhæz.ɚ.dəs/
bi · o · haz · ard · ous
biohazardous Lexical Profile
CEFR
C1
Grade
10
Tier
2
Usage
Rare
Syllables
5
biohazardous Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Involving or constituting a biological substance or infectious agent that poses a threat to the health of humans, animals, or the environment.
Example
"Hospital staff must dispose of used needles and other biohazardous waste in specially marked red containers."
Synonyms
View all synonyms for biohazardous Antonyms
View all antonyms for biohazardous• Rhymes for biohazardous
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Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Biohazardous. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/biohazardous