Antonyms of adj over-the-hill

1 sense of over-the-hill

Sense 1
overage, overaged, superannuated, over-the-hill -- (too old to be useful; "He left the house...for the support of twelve superannuated wool carders"- Anthony Trollope)

INDIRECT (VIA old) -> young, immature -- ((used of living things especially persons) in an early period of life or development or growth; "young people")

Similarity of adj over-the-hill

1 sense of over-the-hill

Sense 1
overage, overaged, superannuated, over-the-hill -- (too old to be useful; "He left the house...for the support of twelve superannuated wool carders"- Anthony Trollope)
       => old (vs. young) -- ((used especially of persons) having lived for a relatively long time or attained a specific age; "his mother is very old"; "a ripe old age"; "how old are you?")