Compléter PrefixesVersion en ligne Practice what you know par nancy neill 1 wrongly not without not before did un im again not not In the word replay , the prefix re - means . In the word unlucky , the prefix is - . The word impossible's prefix is - and it means . If I run non - stop , it means that I run stopping . If he shows disrespect it means that he is respectful . If her task is impossible , it is possible . Prehistoric animals were around during the time that was history was recorded . She misplaced her glasses which means she place them . The girl was insecure which means she like to stay home alone .