Read the dictionary definition of apt. All definitions for this word.
1. being of striking appropriateness and pertinence
1. the successful copywriter is a master of apposite and evocative verbal images
2. an apt reply
2. (usually followed by `to') naturally disposed toward
1. he is apt to ignore matters he considers unimportant
2. I am not minded to answer any questions
3. mentally quick and resourceful
1. an apt pupil
2. you are a clever man...you reason well and your wit is bold
4. at risk of or subject to experiencing something usually unpleasant
1. he is apt to lose
2. she is liable to forget