a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis
not original; not being or productive of something fresh and unusual; "the manuscript contained unoriginal emendations"; "his life had been unoriginal, conforming completely to the given pattern"- Gwethalyn Graham
the act of drilling a hole in the earth in the hope of producing petroleum
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"; "what an irksome task the writing of long letters is"- Edmund Burke; "tedious days on the train"; "the tiresome chirping of a cricket"- Mark Twain; "other people's dreams are dreadfully wearisome"
the action of following in order; "he played the trumps in sequence"
a group of people or things arranged or following in order; "a succession of stalls offering soft drinks"; "a succession of failures"
(ecology) the gradual and orderly process of change in an ecosystem brought about by the progressive replacement of one community by another until a stable climax is established
a thoroughfare (usually including sidewalks) that is lined with buildings; "they walked the streets of the small town"; "he lives on Nassau Street"
the part of a thoroughfare between the sidewalks; the part of the thoroughfare on which vehicles travel; "be careful crossing the street"
people living or working on the same street; "the whole street protested the absence of street lights"
a situation offering opportunities; "he worked both sides of the street"; "cooperation is a two-way street"
the streets of a city viewed as a depressed environment in which there is poverty and crime and prostitution and dereliction; "she tried to keep her children off the street"