L10 MATURITY

English

antiquated

adj. Old and no longer useful or suitable;outmoded.

centenarian

n. One who lives one hundred or more years

contemporary

adj. a. Living or happening during the same period of time. b. Current; modern:contemporary history 

n. Someone of the same age or living at the same time as another or others.

fledgling

n. a. A young or inexperienced person. b. A young bird that has just grown feathers needed for flying. 

adj. Inexperienced.

frail

adj. a. Flimsy, not strong or substantial;fragile. b. Physically weak.

gerontology

n. The scientific study of the process and effects of aging.

longevity

n. a. Length of life. b. Long duration, as in an occupation.

nascent

adj. Coming into existence;emerging.

puerile

adj. a. Childish;immature;silly. b. Belonging to childhood;youthful.

venerable

adj. Worthy of respect or reverence,particularly because of position or age.