Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun firstborn

1 sense of firstborn

Sense 1
firstborn, eldest -- (the offspring who came first in the order of birth)
       => offspring, progeny, issue -- (the immediate descendants of a person; "she was the mother of many offspring"; "he died without issue")

Antonyms of adj firstborn

1 sense of firstborn

Sense 1
firstborn, eldest -- (first in order of birth; "the firstborn child")

INDIRECT (VIA first) -> last -- (coming after all others in time or space or degree or being the only one remaining; "the last time I saw Paris"; "the last day of the month"; "had the last word"; "waited until the last minute"; "he raised his voice in a last supreme call"; "the last game of the season"; "down to his last nickel")

Similarity of adj firstborn

1 sense of firstborn

Sense 1
firstborn, eldest -- (first in order of birth; "the firstborn child")
       => first (vs. last) -- (preceding all others in time or space or degree; "the first house on the right"; "the first day of spring"; "his first political race"; "her first baby"; "the first time"; "the first meetings of the new party"; "the first phase of his training")