observable

ob·serv·able

adj \əb-ˈzər-və-bəl\

Definition of OBSERVABLE

1

: noteworthy

2

: capable of being observed : discernible

— ob·serv·abil·i·ty \-ˌzər-və-ˈbi-lə-tē\ noun

— observable noun

— ob·serv·ably \-ˈzər-və-blē\ adverb

Examples of OBSERVABLE

1. the size of the observable universe
2. <scientists often work with phenomena that are not directly observable>

First Known Use of OBSERVABLE

1609

Related to OBSERVABLE

Synonyms: apparent, visible, seeable, visual

Antonyms: invisible, sightless, viewless

Related Words: viewable; detectable, discernible (also discernable), noticeable, perceptible; clear, conspicuous, evident, eye-catching, manifest, obvious, overt, patent, perceivable, plain, prominent, striking; exposed, external, outer, outward, superficial

Near Antonyms: disappeared, dissolved, evanesced, evaporated, melted, vanished, vaporized; imperceptible, indiscernible, indistinct, unnoticeable, unobservable; faint, inconspicuous, insignificant, slight, unobtrusive, vague; buried, concealed, covert, disguised, hidden, latent, obscure, shrouded

see all synonyms and antonyms

[+]more[-]hide