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causing or marked by boredom:
a boring discussion; to have a boring time.
Machinery.

the act or process of making or enlarging a hole.
the hole so made.

Geology. a cylindrical sample of earth strata obtained by boring a vertical hole.
borings, the chips, fragments, or dust produced in boring.
to weary by dullness, tedious repetition, unwelcome attentions, etc.:
The long speech bored me.
a dull, tiresome, or uncongenial person.
a cause of ennui or petty annoyance:
repetitious tasks that are a bore to do.
to pierce (a solid substance) with some rotary cutting instrument.
to make (a hole) by drilling with such an instrument.
to form, make, or construct (a tunnel, mine, well, passage, etc.) by hollowing out, cutting through, or removing a core of material:
to bore a tunnel through the Alps; to bore an oil well 3000 feet deep.
Machinery. to enlarge (a hole) to a precise diameter with a cutting tool within the hole, by rotating either the tool or the work.
to force (an opening), as through a crowd, by persistent forward thrusting (usually followed by through or into); to force or make (a passage).
to make a hole in a solid substance with a rotary cutting instrument.
Machinery. to enlarge a hole to a precise diameter.
(of a substance) to admit of being bored:
Certain types of steel do not bore well.
a hole made or enlarged by boring.
the inside diameter of a hole, tube, or hollow cylindrical object or device, such as a bushing or bearing, engine cylinder, or barrel of a gun.
simple past tense of bear1 .
Contemporary Examples

Diablo Cody on How Nora Ephron Blazed a Trail for Female Filmmakers Marlow Stern June 27, 2012
Nationalism on Four Wheels Clive Irving October 17, 2014
What Apple Must Do to Survive Zachary Karabell October 6, 2011
How to Write a Winning Ivy League Essay Kathleen Kingsbury October 24, 2009
Michelle Obama’s Power Trip Tunku Varadarajan October 6, 2010

Historical Examples

The Rover Boys in the Land of Luck Edward Stratemeyer
My Double Life Sarah Bernhardt
A Dictionary of Arts, Manufactures and Mines Andrew Ure
Therese Raquin Emile Zola
Conservation Reader Harold W. Fairbanks

noun

the act or process of making or enlarging a hole
the hole made in this way

(often pl) a fragment, particle, chip, etc, produced during boring
adjective
dull; repetitious; uninteresting
verb
to produce (a hole) in (a material) by use of a drill, auger, or other cutting tool
to increase the diameter of (a hole), as by an internal turning operation on a lathe or similar machine
(transitive) to produce (a hole in the ground, tunnel, mine shaft, etc) by digging, drilling, cutting, etc
(intransitive) (informal) (of a horse or athlete in a race) to push other competitors, esp in order to try to get them out of the way
noun
a hole or tunnel in the ground, esp one drilled in search of minerals, oil, etc

a circular hole in a material produced by drilling, turning, or drawing
the diameter of such a hole

the hollow part of a tube or cylinder, esp of a gun barrel
the diameter of such a hollow part; calibre

(Austral) an artesian well
verb
(transitive) to tire or make weary by being dull, repetitious, or uninteresting
noun
a dull, repetitious, or uninteresting person, activity, or state
noun
a high steep-fronted wave moving up a narrow estuary, caused by the tide
verb
the past tense of bear1
adj.
v.
n.

The secret of being a bore is to tell everything. [Voltaire, “Sept Discours en Vers sur l’Homme,” 1738]

bore
(bôr)