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 fol. 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.

noun

charmer , exciter , pleasure

verb

amuse , charm , excite , interest , please

noun

bother , bromide , bummer * , creep * , deadhead , downer * , drag * , drip * , dull person , flat tire , headache , nag , nudge , pain , pain in the neck * , pest , pill * , soporific , stuffed shirt * , tedious person , tiresome person , wet blanket * , wimp * , yawn *notes:a boar is a male pig; a boor is a person with rude , clumsy manners and little refinement; a bore is one that is wearingly dull , repetitive , or tedious , dweeb* , jerk* , nerd* , pill* , poop* , boredom , caliber , depression , doldrums , ennui , inactivity , listlessness , pall , perforation , proser , taedium vitae , tedium , wearisomeness

verb

burrow , gouge out , mine , penetrate , perforate , pierce , pit , prick , punch , puncture , ream , riddle , sink , tunnelnotes:a boar is a male pig; a boor is a person with rude , clumsy manners and little refinement; a bore is one that is wearingly dull , repetitive , or tedious , afflict , annoy , bend one’s ear , be tedious , bother , burn out , cloy , discomfort , drag , exhaust , fatigue , irk , irritate , jade , pall , pester , put to sleep , send to sleep , talk one’s ear off , tire , trouble , turn one off , vex , wear , wear out , weary , worrynotes:a boar is a male pig; a boor is a person with rude , auger , bit , bummer , caliber , drill , eagre , eat , gauge , grind , hole , labor , nuisance , poke , push , size , tap , thrust , tool , tunnel , wimp