only son
Lone male child
The only son is a male child who has no brothers: He was her only son, though he had three sisters.
The phrase carries emotional weight in contexts of inheritance, family legacy, or loss: Their only son died in the war.
In religious contexts, it often refers to Jesus as God's only begotten son.
- birth orderSequence among siblings
- siblinglessWithout brothers or sisters
- childPerson before puberty
- golden childFamily's most favored member
- favorite childPreferred offspring in family
apple of my eye · doted · sole · filial duty · Abraham · singleton · Isaac · sacrificial lamb · patriarchy · Oedipus · primogeniture · male heir · inheritance law · heir · heir apparent · lineage · father · progeny
- boysboy, lad, laddie, young boy, little boy