Table of Contents
Synonyms
Antonyms
1. unobservable
adjective. not accessible to direct observation.
Synonyms
- unperceivable
Antonyms
- palpable
- visible
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Sentences with unobservable
1. Adjective
Then present them with an array of challenges, asking them to line up in order by birth month and day, by shoe size or by another other unobservable characteristic.