Plainly seen, heard, or understood; clear, manifest; public.

The third hour of the day; the time at or about 9 o'clock in the morning. In ecclesiastical use = tierce. Obsolete.

Exposed to general view or knowledge; existing, performed, or carried on without concealment or so that all may see or hear; known; public…

Open, manifest; = openly, adj.

Not hid; unconcealed.

Open, unconcealed; evident, manifest; public; = apert, adj. 1 2. Also (quot. 1375 at sense): acknowledged. Frequently opposed to privy. Obsolete.

Open, manifest, public, plain, unconcealed. (Opposed to privy.) archaic since 1700.

Of an object, action, etc.: exposed to view or examination; stripped of all disguise or concealment.

Open to general observation, view, or knowledge; existing, performed, or carried out without concealment, so that all may see or hear. Of a person…

Of a fact, quality, phenomenon, etc.: clear, evident, obvious.

Made in open court, public. Obsolete.

Exposed or open to view or knowledge; plain, manifest; done openly or publicly, unconcealed.

Not recovered; not taken back into control or possession; (of money) not recouped; (of coal, oil, etc.) not extracted.

Public.

having the face uncovered.

figurative. Unconcealed, undisguised, open to view.

Not concealed; undisguised; exposed; manifest.

Laid open so as to be evident. Obsolete. rare.

Not covered up, obvious.

Not masked (in various senses of mask, v.4).

Giving a face-to-face view; open. Cf. facial, adj. 1.

(un-, prefix1 affix 2.) Of things.

Simple, plain, undisguised. Obsolete. rare.

Not covered with, free or freed from, a veil.

Not wrapped in, or covered with, a shroud. Also figurative.

Unconcealed, undisguised, avowed, open. archaic.

(un-, prefix1 affix 2b.)

figurative. Undisguised, open. Obsolete.

†with full mien (obsolete): undisguised. †to make good mien upon (obsolete): to put a good face on. †to make (a) mien (obsolete): to pretend to do…

Not disguised or concealed; evident.

Avowed, undisguised; downright.

Originally: overt, unconcealed, obvious. In later use also: unabashed, impudent, shameless. Cf. barefaced, adj.

(un-, prefix1 affix 1.)

That presents itself to or is open to view; visible, noticeable; conspicuous, ostentatious. Now rare.

(un-, prefix1 affix 2 and gloss, v.2)

(un-, prefix1 affix 4.)

Not wearing a visor; not masked.

(un-, prefix1 affix 2.)

Deprived or bereft of privacy.

Without disguise, undisguised.

Undisguised, palpable, evident.

Not obscured; clearly visible.

Of a way of life: Free from any concealment or mystery.

Scots Law. Freedom of admission to a law officer or other authorized person; to make open doors: to make premises accessible to a law officer. Obs…

figurative. Not clandestine. Opposed to underground, adj. 4c.