overfamiliar

from WordNet (r) 3.0 (2006)

overfamiliar
    adj 1: taking undue liberties; "young women disliked the
           overfamiliar tone he took with them"

from The Collaborative International Dictionary of English v.0.48

overfamiliar \overfamiliar\ adj.
   Taking undue liberties; assuming an unwarranted tone of
   familiarity.

   Syn: familiar.
        [WordNet 1.5 +PJC]

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