[1] : The Collaborative International Dictionary of English v.0.48

obvious \ob"vious\, a. l. obvius; ob see ob- + via way.
   see voyage.
   1. opposing; fronting. obs.
      1913 webster

            to the evil turn
            my obvious breast.                    --milton.
      1913 webster

   2. exposed; subject; open; liable. obs. "obvious to
      dispute." --milton.
      1913 webster

   3. easily discovered, seen, or understood; readily perceived
      by the eye or the intellect; plain; evident; apparent; as,
      an obvious meaning; an obvious remark.
      1913 webster

            apart and easy to be known they lie,
            amidst the heap, and obvious to the eye. --pope.
      1913 webster

   syn: plain; clear; evident. see manifest.
        1913 webster -- ob"viously, adv. --
        ob"vious-ness, n.
        1913 webster obvolute
see also:
ob- voyage manifest ob"viously ob"vious-ness 

[2] : WordNet (r) 2.0

obvious
     adj 1: easily perceived or understood; "obvious errors" ant: unobvious
     2: easily perceived by the senses or grasped by the mind; "a
        perceptible sense of expectation in the court"; "an
        obvious or palpable lie" syn: perceptible
     3: obvious to the eye or mind; "a tower conspicuous at a great
        distance"; "wore conspicuous neckties"; "made herself
        conspicuous by her exhibitionistic preening" syn: conspicuous
        ant: inconspicuous
     4: obvious to the eye; "a visible change of expression" syn: visible
see also:
unobvious perceptible conspicuous inconspicuous visible 

[3] : Moby Thesaurus II by Grady Ward, 1.0

57 moby thesaurus words for "obvious":
   apparent, bald, clean-cut, clear, clear as crystal, clear-cut,
   conspicuous, crystal-clear, defined, definite, direct, discernible,
   distinct, evident, explicit, express, glaring, in focus,
   indisputable, indubitable, manifest, noticeable, observable, open,
   open-and-shut, ostensible, overt, palpable, patent, perceivable,
   perceptible, perspicuous, plain, plain as day, prominent,
   pronounced, seeable, self-evident, self-explaining,
   self-explanatory, simple, staring, straightforward, tangible,
   to be seen, unambiguous, unconcealed, undeniable, unequivocal,
   unhidden, unmistakable, unsubtle, visible, well-defined,
   well-marked, well-pronounced, well-resolved

Obvious >> O Words
Obvious, definition of term: Obvious
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