| a suffix of adjectives expressing capability, susceptibility, liability, aptitude, etc.: agile; docile; ductile; fragile; prehensile; volatile. |
| -ile 1 suff. Of, relating to, or capable of: audile. [Middle English, from Old French, from Latin -ilis, -īlis.] |
| -ile 2 suff. A division of a specified size in the range of a statistic: percentile. [Probably from -ile1.] |