-ile, -il

1. Able to move quickly and with suppleness, skill, and control.
2. The ability to think quickly and intelligently.
3. Mentally quick or alert: "Even though she was a centenarian, she still had an agile mind."

1. Showing a lack of maturity; childish.
2. Relating to infants or infancy.

1. Young; youthful; also, immature.
2. Designed for or proper to young people; such as, "Some books are published for the juvenile market."
3. The period in an individual's life cycle that lasts from the eruption of the first to the eruption of the last permanent teeth.
4. Immature or childish: "The man's juvenile behavior made him unacceptable for the position."
5. A description or a plant or animal that has not yet reached maturity.
6. A bird that has developed contour feathers but is not yet sexually mature.
7. Characteristics of water or gas that has risen to the earth's surface for the first time.

1. Of, belonging to, or characteristic of a man; manly, masculine; marked by strength or force.
2. Characteristic of male sex.

1. Evaporating readily at normal pressures and temperatures.
2. Capable of being readily vaporized.
3. Changeable, especially, fickle or inconstant.
4. Given to violence, explosive.
5. Flighty, lighthearted.
6. Fleeting, ephemeral.