incorrect表示“有誤的；不正確的”，指的是犯了錯誤的。incorrect比wrong要正式。
Dan believes that the professor has given him some incorrect data, which might have some bad influences on his research. 丹覺得教授給了他有誤的數據，這可能會對他的調查產生些不好的影響。
inaccurate
inaccurate表示“不準確的；不精確的”，指不完全正確的，含有錯誤。
inaccurate information 不準確的信息
What the old man said was inaccurate, so you have to ask more people and get more information. 那個老人家說的並不準確，所以妳得問多些人，拿多些信息。