Irish twins
1 synonym for Irish twins, grouped by meaning and by how common each one is.
Noun — Two siblings born to the same mother within about twelve months of each other, so that they are close in age but not actually twins.
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
How to use Irish twins
The word patterns that sound natural to a native speaker.
Informal, and considered an ethnic slur by some speakers; use with care.