Standard Lemma guide

sulfa

adj · 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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  • /ˈsʌlfə/
  • homophone: sulfur (non-rhotic)
  • CMU ARPABET: S AH1 L F AH0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Of or containing sulfonamide or sulfanilamide.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A sulfonamide or sulfanilamide.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

antibacterial consisting of any of several synthetic organic compounds capable of inhibiting the growth of bacteria that require PABA

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: sulfa drug, sulpha, sulfonamide

Antonyms: none provided

Broader terms: antibacterial, antibacterial drug, bactericide

Narrower terms: sulfacetamide, Sulamyd, sulfadiazine, sulfamethazine, sulfamezathine, sulfamethoxazole, Gantanol, sulfanilamide, sulfapyridine, sulfisoxazole, Gantrisin, Thiosulfil

History

Etymology

No etymology was provided for this word.