definition of
boring

[1] #1 boring s. [deadening, dull, ho-hum, irksome, slow, tedious, tiresome, wearisome] so lacking in interest as to cause mental weariness; "a boring evening with uninteresting people"; "the deadening effect of some routine tasks"; "a dull play"; "his competent but dull performance"; "a ho-hum speaker who couldn't capture their attention";. wn

[2] #2 boring n. [drilling] the act of drilling. wn

[3] #3 boring n. [drilling, oil production] the act of drilling a hole in the earth in the hope of producing petroleum. wn