affording free passage, access, view, etc; not blocked or obstructed
the road is open for traffic
3.
not sealed, fastened, or wrapped
an open package
4.
having the interior part accessible
an open drawer
5.
extended, expanded, or unfolded
an open newspaper
an open flower
6.
ready for business
the shops are open
7.
able to be obtained; available
the position advertised last week is no longer open
8.
unobstructed by buildings, trees, etc
open countryside
9.
free to all to join, enter, use, visit, etc
an open competition
10.
unengaged or unoccupied
the doctor has an hour open for you to call
11. open season
12.
not decided or finalized
an open question
13.
ready to entertain new ideas; not biased or prejudiced
an open mind
14.
unreserved or candid
she was very open in her description
15.
liberal or generous
an open hand
16.
extended or eager to receive (esp in the phrase with open arms)
17.
exposed to view; blatant
open disregard of the law
18.
liable or susceptible
you will leave yourself open to attack if you speak
19.
(of climate or seasons) free from frost; mild
20.
free from navigational hazards, such as ice, sunken ships, etc
open water
21. US
without legal restrictions or enforceable regulations, esp in relation to gambling, vice, etc
an open town
22.
without barriers to prevent absconding
an open prison
23.
having large or numerous spacing or apertures
open ranks
24.
full of small openings or gaps; porous
an open texture
25. printing
(of type matter) generously leaded or widely spaced
26. music
a.
(of a violin or guitar string) not stopped with the finger
b.
(of a pipe, such as an organ pipe) not closed at either end
c.
(of a note) played on such a string or pipe
27. business
a.
in operation; active
an open account
b.
unrestricted; unlimited
open credit
open insurance cover
28. open cheque
29.
(of a return ticket) not specifying a date for travel
30. sport
a.
(of a goal, court, etc) unguarded or relatively unprotected
the forward missed an open goal
b.
(of a stance, esp in golf) characterized by the front of the body being turned forward
31.
(of a wound) exposed to the air
32.
(esp of the large intestine) free from obstruction
33.
undefended and of no military significance
an open city
34. phonetics
a.
denoting a vowel pronounced with the lips relatively wide apart
b.
denoting a syllable that does not end in a consonant, as in pa
35. chess
(of a file) having no pawns on it
36. mathematics
(of a set) containing points whose neighbourhood consists of other points of the same set
points inside a circle are an open set
37. computing
(of software or a computer system) designed to an internationally agreed standard in order to allow communication between computers, irrespective of size, manufacturer, etc
verb
38.
to move or cause to move from a closed or fastened position
to open a window
39. (whenintr, foll by on or onto)
to render, be, or become accessible or unobstructed
to open a road
to open a parcel
the door opens into the hall
40. (intransitive)
to come into or appear in view
the lake opened before us
41. (transitive)
to puncture (a boil) so as to permit drainage
42.
to extend or unfold or cause to extend or unfold
to open a newspaper
43.
to disclose or uncover or be disclosed or uncovered
to open one's heart
44.
to cause (the mind) to become receptive or (of the mind) to become receptive
45.
to operate or cause to operate
to open a shop
46. (whenintr, sometimes foll by out)
to make or become less compact or dense in structure
to open ranks
47.
to set or be set in action; start
to open a discussion
to open the batting
48. (transitive)
to arrange for (a bank account, savings account, etc) usually by making an initial deposit
49.
to turn to a specified point in (a book, magazine, etc)
open at page one
50. law
to make the opening statement in (a case before a court of law)
51. (intransitive) cards
to bet, bid, or lead first on a hand
noun
52. the open
53. open air
54. sport
a competition which anyone may enter
55. bring into the open
56. come into the open
DUP in British English
abbreviation for(in Northern Ireland)
Democratic Unionist Party
Democratic Unionist Party in British English
noun
a Northern Irish political party, founded by Ian Paisley in 1971, advocating the maintenance of union with the UK
Abbreviation: DUP
dup in American English
duplicate
dup in American English
(dʌp)
transitive verbWord forms: dupped, dupping
archaic
to open
Word origin
[1540–50; contr. of do1 + up; cf. doff, don2]This word is first recorded in the period 1540–50. Other words that entered Englishat around the same time include: cabinet, flare, machine, monitor, parallel
dup. in American English
abbreviation
duplicate
Examples of 'dup' in a sentence
dup
We also used to dout (do out, ie, put out) candles, and dup (do up, ie, lift) door latches.