the GNU version of the Collaborative International Dictionary of English
adj. Of set purpose; self-determined; voluntary.
adj. Governed by the will without yielding to reason; obstinate; perverse; inflexible; stubborn; refractory.
The Century Dictionary and Cyclopedia
n. etc. See wilful, etc.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. done by design
adj. habitually disposed to disobedience and opposition
Word Usage
"Adrian Sanders, a Liberal Democrat MP, asked James Murdoch if he was familiar with the term "willful blindness," a legal term referring to executives who purposefully hide behind the excuse of not knowing."