open

A1
Pronunciation
/ˈəʊ.pən/
/ˈoʊ.pən/
Noun
4 definition(s)
1 Definition

(with the) Open or unobstructed space; an exposed location.

Example Sentences
  • I can't believe you left the lawnmower out in the open when you knew it was going to rain this afternoon!
2 Definition

(with the) Public knowledge or scrutiny; full view.

Example Sentences
  • We have got to bring this company's corrupt business practices into the open.
3 Definition

A defect in an electrical circuit preventing current from flowing.

Example Sentences
  • The electrician found the open in the circuit after a few minutes of testing.
4 Definition

A sports event in which anybody can compete

Example Sentences
  • the Australian Open
Verb
14 definition(s)
1 Definition

To make something accessible or allow for passage by moving from a shut position.

Example Sentences
  • Turn the doorknob to open the door.
2 Definition

To make (an open space, etc.) by clearing away an obstacle or obstacles, in order to allow for passage, access, or visibility.

Example Sentences
  • He opened a path through the undergrowth.
3 Definition

To bring up, broach.

Example Sentences
  • I don't want to open that subject.
4 Definition

To enter upon, begin.

Example Sentences
  • to open a case in court, or a meeting
5 Definition

To spread; to expand into an open or loose position.

Example Sentences
  • to open a closed fist
6 Definition

To make accessible to customers or clients.

Example Sentences
  • I will open the shop an hour early tomorrow.
7 Definition

To start (a campaign).

Example Sentences
  • Vermont will open elk hunting season next week.
8 Definition

To become open.

Example Sentences
  • The door opened all by itself.
9 Definition

To begin conducting business.

Example Sentences
  • The shop opens at 9:00.
10 Definition

To begin a side's innings as one of the first two batsmen.

11 Definition

To bet before any other player has in a particular betting round in a game of poker.

Example Sentences
  • After the first two players fold, Julie opens for $5.
12 Definition

To reveal one's hand.

Example Sentences
  • Jeff opens his hand revealing a straight flush.
13 Definition

(of a file, document, etc.) To load into memory for viewing or editing.

14 Definition

To disclose; to reveal; to interpret; to explain.

Adjective
21 definition(s)
1 Definition

Not closed

2 Definition

Not physically drawn together, closed, folded or contracted; extended

Example Sentences
  • an open hand; an open flower
3 Definition

Actively conducting or prepared to conduct business.

Example Sentences
  • Banks are not open on bank holidays.
4 Definition

Receptive.

Example Sentences
  • I am open to new ideas.
5 Definition

Public

Example Sentences
  • He published an open letter to the governor on a full page of the New York Times.
6 Definition

Candid, ingenuous, not subtle in character.

Example Sentences
  • The man is an open book.
7 Definition

(of a formula) Having a free variable.

8 Definition

(of a set) Which is part of a predefined collection of subsets of X, that defines a topological space on X.

9 Definition

(of a walk) Whose first and last vertices are different.

10 Definition

(of a file, document, etc.) In current use; mapped to part of memory.

Example Sentences
  • I couldn't save my changes because another user had the same file open.
11 Definition

Not fulfilled.

Example Sentences
  • I've got open orders for as many containers of red durum as you can get me.
12 Definition

Not settled or adjusted; not decided or determined; not closed or withdrawn from consideration.

Example Sentences
  • an open question
13 Definition

(stringed instruments) Of a note, played without pressing the string against the fingerboard.

14 Definition

(wind instruments) Of a note, played without closing any finger-hole, key or valve.

15 Definition

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.

Example Sentences
  • an open winter
16 Definition

(Of correspondence) 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. (Opposite of "without prejudice")

Example Sentences
  • You will observe that this is an open letter and we reserve the right to mention it to the judge should the matter come to trial.
17 Definition

Uttered with a relatively wide opening of the articulating organs; said of vowels.

18 Definition

Uttered, as a consonant, with the oral passage simply narrowed without closure.

19 Definition

(of a syllable) That ends in a vowel; not having a coda.

20 Definition

Made public, usable with a free licence and without proprietary components.

21 Definition

Resulting from an incision, puncture or any other process by which the skin no longer protects an internal part of the body.