Standard Lemma guide

soporiferous

adj · 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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  • rhymes with -ɪfəɹəs

1

adj

Meaning 1

soporific, sleep-inducing

Definition source: English Wiktionary via Wiktextract

Usage: archaic

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adjective satellite

Meaning 2

inducing mental lethargy

Definition source: Princeton WordNet 3.0

Examples

  • a narcotic speech

Meaning relationships

Synonyms: narcotic, soporific

Antonyms: none provided

3

adjective satellite

Meaning 3

sleep inducing

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: soporific, somniferous, somnific, hypnogogic, hypnagogic

Antonyms: none provided

History

Etymology

No etymology was provided for this word.