Standard Lemma guide

suppositious

adj · 4 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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  • /ˌsʌpəˈzɪʃəs/
  • rhymes with -ɪʃəs

1

adj

Meaning 1

Spurious; substituted for the genuine, counterfeit; fake.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Imaginary; fictitious, pretended to exist.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Hypothetical, based on supposition; conjectural.

Definition source: English Wiktionary via Wiktextract

Examples

  • Near-synonyms: assumed, presumed, presumptive, putative, supposed; apparent, likely

Meaning relationships

Synonyms: suppositional, assumed, presumed, presumptive, putative, supposed, apparent, likely

Antonyms: none provided

4

adjective satellite

Meaning 4

based primarily on surmise rather than adequate evidence

Definition source: Princeton WordNet 3.0

Examples

  • theories about the extinction of dinosaurs are still highly conjectural
  • the supposed reason for his absence
  • suppositious reconstructions of dead languages
  • hypothetical situation

Meaning relationships

Synonyms: conjectural, divinatory, hypothetical, hypothetic, supposed, suppositional, supposititious

Antonyms: none provided

History

Etymology

From New Latin suppositius, from Latin suppositīcius.