open

A sign indicating that a shop is open

Meanings

Adjective

Not closed.
Not physically drawn together, closed, folded or contracted; extended
Actively conducting or prepared to conduct business.
Receptive.
Public
Candid, ingenuous, not subtle in character.
Having a free variable.
Which is part of a predefined collection of subsets of $X$ , that defines a topological space on $X$ .
Whose first and last vertices are different.
In current use; mapped to part of memory.
Not fulfilled.
Not settled or adjusted; not decided or determined; not closed or withdrawn from consideration.
Of a note, played without pressing the string against the fingerboard.
Of a note, played without closing any finger-hole, key or valve.
Not of a quality to prevent communication, as by closing waterways, blocking roads, etc.; hence, not frosty or inclement; mild; used of the weather or the climate.
Written or sent with the intention that it may made public or referred to at any trial, rather than by way of confidential private negotiation for a settlement.
Uttered with a relatively wide opening of the articulating organs; said of vowels.
Uttered, as a consonant, with the oral passage simply narrowed without closure.
That ends in a vowel; not having a coda.
Made public, usable with a free licence and without proprietary components.
Resulting from an incision, puncture or any other process by which the skin no longer protects an internal part of the body.
Source code of a computer program that is not within the text of a macro being generated.
Having component words separated by spaces, as opposed to being joined together or hyphenated; for example, time slot as opposed to timeslot or time-slot.

Verb

To make something accessible or allow for passage by moving from a shut position.
To make (an open space, etc.) by clearing away an obstacle or obstacles, in order to allow for passage, access, or visibility.
To bring up, broach.
To enter upon, begin.
To spread; to expand into an open or loose position.
To make accessible to customers or clients.
To start (a campaign).
To become open.
To begin conducting business.
To begin a side's innings as one of the first two batsmen.
To bet before any other player has in a particular betting round in a game of poker.
To reveal one's hand.
To load into memory for viewing or editing.
To disclose; to reveal; to interpret; to explain.

Noun

(with the) Open or unobstructed space; an exposed location.
(with the) Public knowledge or scrutiny; full view.
A defect in an electrical circuit preventing current from flowing.
A sports event in which anybody can compete.
The act of something being opened, such as an e-mail message.

Similar words

Opposite words

Narrower meaning words

Origin

From Middle English open, from Old English open ("open"), from Proto-West Germanic *opan, from Proto-Germanic *upanaz ("open"), from Proto-Indo-European *upo ("up from under, over"). Cognate with Scots apen ("open"), Saterland Frisian eepen ("open"), West Frisian iepen ("open"), Dutch open ("open"), Low German open, apen, German offen ("open"), Danish åben ("open"), Swedish öppen ("open"), Norwegian Bokmål åpen ("open"), Norwegian Nynorsk open ("open"), Icelandic opinn ("open"). Compare also Latin supinus ("on one's back, supine"), Albanian hap ("to open"). Related to up.
From Middle English openen, from Old English openian, from Proto-Germanic *upanōną, from Proto-Germanic *upanaz. Cognate with Saterland Frisian eepenje, West Frisian iepenje, Dutch openen, German öffnen, Danish åbne, Swedish öppna, Norwegian Bokmål åpne, Norwegian Nynorsk and Icelandic opna. Related to English up.
From Middle English open, from the verb (see Etymology 2 above). In the sports sense, however, a shortening of “open competition”.

Modern English dictionary

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