Pronunciation: (un-frend'lē), [key]
—adj., -li•er, -li•est,
1. not amicable; not friendly or kindly in disposition; unsympathetic; aloof: an unfriendly coldness of manner.
2. hostile; antagonistic: an unfriendly act of aggression.
3. unfavorable; inhospitable or inimical, as an environment: an unfriendly climate for new ideas.
in an unfriendly manner.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.