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Webster 1828 Edition

Adj.

Not solicitous; not anxious; not very desirous.

unsolicitous ‎(comparative more unsolicitous, superlative most unsolicitous)

Not solicitous.
- 2009 July 26, Maureen Dowd, “Bite Your Tongue”, in New York Times:
  Gates told me Crowley was so “gruff” and unsolicitous “the hair on my neck stood up.”