Definition from Wiktionary, the free dictionary
Alternative forms 
- unusuall (obsolete)
- Unlike what is expected; differing in some way from the norm.
- His behavior was unusual in that it was considered childish for a man of his age.
- More than usual.
- (different from the expected): abnormal, rare, strange, weird, (stronger) extraordinary
- See also Wikisaurus:strange
unlike what is expected; differing in some way from the norm
more than usual