not closed or barred at the time, as a doorway by a door, a window by a sash, or a gateway by a gate: to leave the windows open at night.
set so as to permit passage through the opening it can be used to close.
having no means of closing or barring: an open portico.
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having the interior immediately accessible, as a box with the lid raised or a drawer that is pulled out.
relatively free of obstructions to sight, movement, or internal arrangement: an open floor plan.
constructed so as to be without cover or enclosure on the top or on some or all sides: an open boat.
having relatively large or numerous spaces, voids, or intervals: an open architectural screen; open ranks of soldiers.
perforated or porous: an open texture.
relatively unoccupied by buildings, fences, trees, etc.: open country.
not covered or closed; with certain parts apart: open eyes; open mouth.
without a covering, especially a protective covering; unprotected; unenclosed; exposed: an open wound; open electrical wires.
extended or unfolded: an open newspaper.
without restrictions as to who may participate: an open competition; an open session.
accessible or available to follow: the only course still open to us.
not taken or filled; not preempted; available; vacant: Which job is open?
ready for or carrying on normal trade or business: The new store is now open. The office is open on Saturdays.
not engaged or committed: Have you any open time on Monday?
accessible, as to appeals, ideas, or offers: to be open to suggestion.
exposed to general view or knowledge; existing, carried on, etc., without concealment: open disregard of the rules.
acting publicly or without concealment, as a person.
unreserved, candid, or frank, as persons or their speech, aspect, etc.: an open manner.
generous, liberal, or bounteous: to give with an open hand.
liable or subject: open to question; open to retaliation.
undecided; unsettled: several open questions.
without effective or enforced legal, commercial, or moral regulations: an open town.
unguarded by an opponent: an open wide receiver.
noting the part of the sea beyond headlands or enclosing areas of land: to sail on the open seas.
free of ice, as a body of water or a seaport.
free of navigational hazards: an open coast.
available for foreign trade; not closed by government regulations or by considerations of health.
in operation; live.
occurring at the beginning of a group of words or characters that is set off, as from surrounding text: open parenthesis; open quotes.Compare close.
not yet balanced or adjusted, as an account.
not constipated, as the bowels.
Phonetics. articulated with a relatively large opening above the tongue or with a relatively large oral aperture, as the vowel sound of cot compared with that in caught. ending with a vowel. continuant.
Linguistics. readily admitting new members, as the class of nouns, verbs, or adjectives.
Printing. in outline form.widely spaced or leaded, as printed matter.
Music. not closed at the far end. not stopped by a finger. produced by such a pipe or string or, on a wind instrument, without the aid of a slide, key, etc.
Mathematics. containing neither endpoint. consisting of points having neighborhoods wholly contained in the set, as the set of points within a circle. having the property that the image of an open set is an open set.
free from frost; mild or moderate: an open winter.
Animal Husbandry. not pregnant.
Textiles. so loosely woven that spaces are visible between warp and filling yarns.
v. 有主动词 verb
to move from a shut or closed position so as to admit of passage.
to render unobstructed by moving a door, window sash, etc., away from it.
to render the interior of readily accessible.
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to clear of obstructions.
to clear.
to give access to; make accessible or available, as for use: to open a port for trade.
to establish for business purposes or for public use: to open an office.
to set in action, begin, start, or commence: to open a campaign.
to uncover, lay bare, or expose to view.
to expand, unfold, or spread out: to open a map.
to make less compact, less closely spaced, or the like: to open ranks.
to disclose, reveal, or divulge.
to render accessible to knowledge, enlightenment, sympathy, etc.: to open one's mind.
to cut, blast, or break into: to open a safe with nitro.
to make or produce by cutting or breaking, or by pushing aside or removing obstructions: to open a way through a crowd.
to make an incision or opening in: to open a boil.
Law. to recall or revoke for the purpose of allowing further contest or delay.to make the first statement of to the court or jury.
Cards. to begin a hand by making, placing, or playing as the lead.
Nautical. to sail so that the apparent location of a distant fixed object changes with relation to a nearer fixed object.
v. 无主动词 verb
to become open, as a door, building, box, or enclosure.
to afford access: a door that opens into a garden.
to have an opening, passage, or outlet: The room opens into a corridor.
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to open its doors to the public: The museum opens at one o'clock.
to begin a session or term, as a school.
to begin a season, series of performances, or tour, as a theatrical company: The play will open in Boston.
to begin, start, or commence an activity: The game opened with the national anthem.
to part, or seem to part, so as to allow or reveal a passage: At last the cliffs opened to show us that we were heading for the sea.
to become disclosed or revealed.
to come into view; become more visible or plain.
to become receptive to knowledge, sympathy, etc., as the mind.
to disclose or reveal one's knowledge, thoughts, feelings, etc.
to unfold or expand, as a blossom, so as to reveal the interior.
to spread out or expand, as the hand or a fan.
to spread apart or separate, as pages of a book, newspaper, etc.: Open to page 32.
to spread or come apart; burst: The wound opened.
to become less compact, less closely spaced, or the like: The ranks began to open.
Cards. to make the first bet, bid, or lead in beginning a hand.
Hunting. to begin to bark, as on the scent of game.
n. 名词 noun
an open or clear space.
the open air.
the open water, as of the sea.
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an opening or aperture.
an opening or opportunity.
a contest or tournament in which both amateurs and professionals may compete, especially in golf and tennis.
the open, the unenclosed or unobstructed country.the outdoors: Vacations in the open are fine for the entire family.the condition of being unconcealed, recognized, or publicly known: The scandal is now out in the open.
v. 动词组 verb
open up, to become or make open.to expand, especially before the eye: A breathtaking panorama opened up as we reached the top of the hill.to achieve the initial development of: to open up a business office; to open up trade with China.Slang.to increase speed or the speed of.
The contributions of Murray and Nikola Jokić go without saying, and when one got going, it opened up things for the other, because of how the Clippers went about trapping and doubling.
Forage is focused on partnering with large companies that employ upwards of 1,000 students per year via internships to help open up new pipelines.
Jefferson County, the most populous one in the Bluegrass State, will have eight polling locations open on Election Day, and your state may decide to do something similar.
Outside of New York, the publisher opened its London bureau in 2014, where it now has over 100 staffers.
I would love to have the country opened up and just raring to go by Easter.
When it became too crowded, they moved her into an open casket on the street.
Now it can't open on my phone due to what appears to be software incompatibility.
Some of them would open up deep splits in core Democratic constituencies.
And of course, Rod, being Rod, goes for it a hundred percent; his mouth drops open and he says, ‘What?’
Open-carry activists are known for baiting cops into on-camera arguments about the Second Amendment and state laws.
Then there was Wee Wo,—he was a little Chinese chap, and we used to send him down the chimneys to open front doors for us.
Let them open their minds to us, let them put upon permanent record the significance of all their intrigues and manœuvres.
The doors (Indian bungalows have hardly any windows, each door being half glass) were open front and back.
It was close upon twelve o'clock, and the "Rooms" had been open to the public for two hours.
Worst danger zone, the open sea, now traversed, but on land not yet out of the wood.