expressly: 1) if you say something expressly, you say it very clearly and firmly: He was expressly forbidden to speak to the girl. 2) deliberately or for a specific purpose: The building is expressly designed to conserve energy. definitely: without any doubt; Do you reckon Margot will be there?' Definitely not.' The hotel fitness centre is definitely worth a visit. I definitely need a holiday. You have more examples here: http://www.wordnik.com/words/expressly, http://www.wordnik.com/words/definitely, http://www.ldoceonline.com/dictionary/definitely