Associations to the word «Unobservable»

Wiktionary

UNOBSERVABLE, adjective. That cannot be observed.
UNOBSERVABLE, noun. Something that cannot be observed.

Dictionary definition

UNOBSERVABLE, adjective. Not accessible to direct observation.

Wise words

Four things come not back. The spoken word, the sped arrow, the past life, ad the neglected opportunity.
Arabian Proverb