Standard Lemma guide

unascertainable

adj · 2 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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  • Received-Pronunciation: /ˌʌnæsəˈteɪnəbl̩/
  • General-American: /ˌʌnæsɚˈteɪnəbl̩/

1

adj

Meaning 1

That cannot be ascertained; uncertain, unable to be determined or discovered.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adjective satellite

Meaning 2

not able to be ascertained; resisting discovery

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: undiscoverable

Antonyms: none provided

History

Etymology

From un- + ascertainable.