| adjective | at risk of or subject to experiencing something usually unpleasant “he is apt to lose” |
| adjective | subject to legal action “liable to criminal charges” |
| adjective | (often followed by `to') likely to be affected with “liable to diabetes” |
| adjective | held legally responsible “men between the ages of 18 and 35 were liable for military service” |
| aptness | noun | a disposition to behave in a certain way |
| liability | noun | the quality of being something that holds you back |