The Collaborative International Dictionary of English v.0.48:

Personalize \Per"son*al*ize\, v. t. [imp. & p. p.
   Personalized; p. pr. & vb. n. Personalizing.]
   To make personal. "They personalize death." --H. Spencer.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

personalized \personalized\ adj.
   1. Made for or directed or adjusted to a particular
      individual; modified for a particular person; as,
      personalized luggage; personalized advice.

   Syn: individualized.
        [WordNet 1.5]

   2. Pointedly referring to or concerning a person's individual
      personality or intimate affairs, especially offensively;
      as, personalized criticism.

   Syn: pointed.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

personalized
    adj 1: made for or directed or adjusted to a particular
           individual; "personalized luggage"; "personalized advice"
           [syn: individualized, individualised, personalized,
           personalised]
    2: pointedly referring to or concerning a person's individual
       personality or intimate affairs especially offensively;
       "unnecessarily personalized remarks"