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

worrisome \wor"risome\, a.
   inclined to worry or fret; also, causing worry or annoyance.
   1913 webster

[2] : WordNet (r) 2.0

worrisome
     adj 1: not reassuring; tending to cause anxiety syn: unreassuring
            ant: reassuring
     2: causing distress or worry or anxiety; "distressing or
        disturbing news"; "lived in heroic if something
        distressful isolation"; "a disturbing amount of crime"; "a
        revelation that was most perturbing"; "a new and troubling
        thought"; "in a particularly worrisome predicament"; "a
        worrying situation"; "a worrying time" syn: distressing,
         distressful, disturbing, perturbing, troubling, worrying
see also:
unreassuring reassuring distressing distressful disturbing perturbing 
troubling worrying 

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

37 moby thesaurus words for "worrisome":
   aggravating, annoying, bothering, bothersome, chafing, disquieting,
   distressful, distressing, disturbing, exasperating, fretting,
   galling, harassing, importunate, importune, irking, irksome,
   irritating, pesky, pestering, pestiferous, pestilent, pestilential,
   plaguesome, plaguey, plaguing, provoking, teasing, tiresome,
   tormenting, troublesome, troubling, upsetting, vexatious, vexing,
   wearisome, worrying

Worrisome >> W Words
Worrisome, definition of term: Worrisome
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