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

painless \pain"less\, a.
   free from pain; without pain. -- pain"lessly, adv. --
   pain"lessness, n.
   1913 webster
see also:
pain"lessly pain"lessness 

[2] : WordNet (r) 2.0

painless
     adj 1: requiring little hard work or exertion; "a painless solution
            to the problem"
     2: not causing physical or psychological pain; "painless
        dentistry" ant: painful
     3: with as little pain as possible; "a humanely painless
        killing"
see also:
painful 

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

23 moby thesaurus words for "painless":
   mickey mouse, casual, cinch, clear, comfortable, cushy, easy,
   easy as pie, effortless, facile, glib, light, no sweat,
   nothing to it, plain, pushover, simple, simple as abc, smooth,
   soft, straightforward, unburdensome, uncomplicated

Painless >> P Words
Painless, definition of term: Painless
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