Standard Lemma guide

HazMat

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • General-American: /ˈhæzˌmæt/

1

noun

Meaning 1

Alternative form of hazmat.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative, countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Hazardous material(s).

Definition source: English Wiktionary via Wiktextract

Usage: US, attributive, countable, often, uncountable

Examples

  • hazmat suit

Meaning relationships

Synonyms: dangerous goods, HM/DG

Antonyms: none provided

3

noun

Meaning 3

an abbreviation for `hazardous material' used on warning signs

Definition source: Princeton WordNet 3.0

Examples

  • NO HAZMATS IN TUNNEL

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: material, stuff

History

Etymology

Blend of hazardous + material.