Not yielding; inflexible: an unbending will to dominate. (adjective)
Aloof and often antisocial; extremely reserved: an unbending manner. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "unbending" in a sentence
"Constance had been wondering how she could inform Tony that his aunt and sister had arrived, without unbending from the dignified silence of the past three days."
"But the Alexandrine, by its pause in the midst, is a tardy and stately measure; and the word unbending, one of the most sluggish and slow which our language affords, cannot much accelerate its motion."
"At various times Lady Huntingdon expressed her religious experience in verse, and the manful vigor of her school of faith recalls the unbending confidence of Job, for she was not a stranger to affliction."