Unobservable

adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Something that cannot be observed.
Adjective
  1. 1
    That cannot be observed. not-comparable
Adjective
  1. 1
    not accessible to direct observation wordnet

Synonyms

All synonyms
impalpableimperceptibleimponderableinappreciableindiscernibleinsensible

Example

More examples

"The sunrise is unobservable to physicists."

Etymology

From un- + observable.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.