Synonyms and Antonyms for
firstborn
1. firstborn (adj.)
first in order of birth
Synonyms:
eldest
first
Antonyms:
last
parent
outgo
2. firstborn (n.)
the offspring who came first in the order of birth
Synonyms:
progeny
issue
eldest
offspring
Antonyms:
recall
block
freeze
ending
unoriginal
