twin
Plural
twins
1
either of two children born at the same time to the same mother
- Even though they are twins, they have very different personalities.
- My twin and I were both named after our grandparents.
- My twin sister is always borrowing my clothes without asking.
- She has a twin brother who looks exactly like her.
- The twins decided to dress up in matching outfits for the party.
2
a duplicate copy
Synonyms:
3
(astrology) a person who is born while the sun is in Gemini
Synonyms:
4
a close friend with whom one shares many interests, experiences, or personality traits
- Hey twin, when you comin' over?
- We're basically twins; we both love the same music and movies.
- I can always count on my twin for advice.
- Twin, you won't believe what happened today!
- Hanging out with my twin makes everything more fun.