Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun two-year-old

1 sense of two year old

Sense 1
two-year-old horse, two year old -- (a racehorse that is two years old)
       => racehorse, race horse, bangtail -- (a horse bred for racing)

Antonyms of adj two-year-old

1 sense of two-year-old

Sense 1
two-year-old -- (two years of age)

INDIRECT (VIA young) -> old -- ((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?")

Similarity of adj two-year-old

1 sense of two-year-old

Sense 1
two-year-old -- (two years of age)
       => young (vs. old), immature -- ((used of living things especially persons) in an early period of life or development or growth; "young people")