exceptional

far beyond what is usual in magnitude or degree

• “a night of exceeding darkness”
• “an exceptional memory”
• “olympian efforts to save the city from bankruptcy”
• “the young Mozart”

surpassing what is common or usual or expected

• “he paid especial attention to her”
• “exceptional kindness”
• “a matter of particular and unusual importance”
• “a special occasion”
• “a special reason to confide in her”
• “what”

deviating widely from a norm of physical or mental ability; used especially of children below normal in intelligence

• “special educational provisions for exceptional children”