'Preconceived' definitions:

Definition of 'preconceived'

From: WordNet
adjective
(of an idea or opinion) formed beforehand; especially without evidence or through prejudice; "certain preconceived notions"

Definition of 'Preconceived'

From: GCIDE
  • Preconceive \Pre`con*ceive"\, v. t. [imp. & p. p. Preconceived; p. pr. & vb. n. Preconceiving.] To conceive, or form an opinion of, beforehand; to form a previous notion or idea of. [1913 Webster]
  • In a dead plain the way seemeth the longer, because the eye hath preconceived it shorter than the truth. --Bacon. [1913 Webster]

Synonyms of 'preconceived'

From: Moby Thesaurus