They gave a faultless performance.
Synonyms and examplesperfectWe had the perfect summer beach holiday.
flawlessShe has a flawless complexion.
immaculateapprovingHe writes in immaculate prose.
impeccableHis English is impeccable.
idealThe book is ideal for children aged between four and six.
dreaminformalA pretty cottage on the lake - that would be my dream home.
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If someone or something isperfect, they are the best type or example of that person or thing and have nothing wrong with them.