Unclosed, literally or figuratively; not shut or closed; hence, affording access, or free ingress and egress: as, an open door.Unstopped: as, an open bottle.Unsealed: as, an open letter.Uncovered: as, an open jar; an open drain.Without deck: as, an open boat.Without protecting barrier of any kind: as, an open harbor or roadstead; an open gallery.Exposed; liable; subject.Free from or without physical hindrance or impediment; clear; hence, free of access; affording free passage; as, the river is now open for navigation.Unfilled; unoccupied: as, the appointment is still open.Undecided; unsettled or undetermined: as, an open question.Not yet balanced or adjusted; not yet closed or wound up; subject to further additions: as, an open account or policy.At liberty; free; as yet disengaged; not preoccupied or prepossessed; not forestalled; available: as, an open day; open to engagements.Presenting no moral or logical hindrance or difficulty; morally or logically possible.Unrestricted; public; free to be used or enjoyed by all: as, open market; open competition.Uninclosed; not inclosed or surrounded by barriers; accessible on all or nearly all sides; affording free ingress or access on all sides or on more sides than one: as, the open country; an open space; the open sea.Hence — Not shut off or obstructed; unobstructed; free; clear: as, the open air; an open view; open day.Not obstructed by ice or frost; clear of ice: as, open water in the polar seas; hence, as applied to weather or the seasons, not marked by ice and snow; mild; moderate: as, open weather.Not drawn, folded, or rolled together; unclosed; unfolded; expanded; spread out; parted; apart: as, an open hand; an open flower; in open order.Hence Free in giving or communicating; liberal; generous; bounteous.Containing apertures; perforated; of a loose texture: as, open work.Not concealed; plain in the sight of all; exposed to view: as, open shame.Free from concealment, dissimulation, reserve, or disguise; not secret or secretive; plain and aboveboard; candid; frank; free-spoken; ingenuous: as, an open face; an open avowal; an open enemy; open defiance.Ready (to hear, do, see, or receive anything); attentive; receptive; amenable, as to reason, advice, influence, pity, etc.In music. See open diapason, open harmony, open string, etc., under the nouns.Uttered with an unclosed or a less closed position of the mouth-organs: as, a sibilant is a more open sound than a mute; a vowel is more open than a consonant; open and close e.Not closed by a consonant: said of a vowel, or a syllable ending in a vowel, upon which another vowel follows.In electricity, not forming a part of a closed circuit; not connected with other wires or with the earth so as to form a complete electric circuit.In chemical and other industries, a term applied to steam admitted directly into a tank or vessel, and acting directly upon substances to be treated, as fabrics or yarns in dyeing, or materials in soap-making.A badge or ornament resembling a coronet set upon the left shoulder or planted on the left breast of English effigies of the fifteenth and sixteenth centuries. It is thought to have been the indication of some rank or office, as that of yeoman of the crown, but this has not been verified.To be very hospitable; entertain many friends.Synonyms and Uncovered, unprotected, exposed, obvious, public. Frank, Ingenuous, etc. (see candid), unreserved, undissembling, artless, guileless.n. An open or clear space.n. The open air.To make open; cause to be open; unlock, unfasten, or draw apart or aside, and thus afford access or egress, or a view of the interior parts; make accessible or visible by removing or putting or pushing aside whatever blocks the way or the view; unclose.To form by cutting, cleaving, removing, or pushing aside whatever impedes or hinders: as, to open a way, road, or path through the woods; to open a hole or breach in the enemy's walls.To pierce or cut into, and lay bare or make accessible: as, to open an animal; to open a wound.To spread out; expand; unclose; unroll; unfold; extend: as, to open one's hand, a book, or a fan; to open ranks.To lay bare; expose; exhibit; reveal; disclose: as, to open one's mind freely to a friend; to open one's grief or one's plans.To unfold; expound; explain; interpret: as, to open a text.To expand or enlighten; enlarge; make receptive; render accessible to wisdom, knowledge, enlightenment, improvement, or new influences.To render accessible or available for settlement, use, intercourse, etc.: as, to open land; to open a country to trade: sometimes with up: as, to open up trade.To discover; come into view of.To set in action; start; initiate; commence: as, to open a public assembly, a session of Congress, or Parliament; to open an exhibition; to open a shop; to open a correspondence, a discussion, a negotiation, proceedings, etc.To shuck or shell; remove the shell or husk from the meat or the fruit of, as an oyster; cut out.In law: To state (the case) to the court or jury, preliminary to adducing evidence; more specifically, to make the first statement for this purpose, and give evidence under it, before the adversary is allowed to do so.To recall or revoke, as a judgment or decree, for the purpose of allowing further contest or delay.In malting, to shovel up the edges and throw a portion of (the couched grain) toward the center of the couch, distributing it in such a manner as to leave a somewhat greater depth of grain at the edges than at the center of the couch. See malting and couch, 5.Specifically, to loosen the consistency or texture of; give a freer or less dense consistency or texture to.Synonyms To uncover.To exhibit, make manifest.To unclose; be opened or become open.To afford access, entrance, egress, or view: as, a gate opened on the lane.To burst open; become parted, ruptured, or broken; gape.To burst and unfold; spread out or expand, as a bud or flower.To become expanded or enlightened; become receptive or ready to receive.To begin; commence: as, sales opened at par; the exhibition opened yesterday; the story opens well.To begin to appear; become more distinct; expand before the eye on nearer approach or favorable change of position; become more visible or plain as position changes: as, the harbor opened to our view.In hunting, to begin to bark on view or scent of the game.To yield or make (a certain quantity) when opened: said of oysters: as, to open well or badly; to open (at the rate of) six quarts per bushel.Openly.In printing, said of a composition in type that is wide-leaded or with excess of quadrats or other blanking-out material, known to compositors as ‘fat matter.’n. An opening; a hole; the widening of a river at its mouth: as, the open of Humber; a gap in sand-dunes through which a road can pass.n. An opportunity; an opening; a chance.Nautical, to appear to separate and become distinct, as lights in a harbor when the vessel nears.