一緒 is a noun/na-adjective meaning "together" or "same."
KEY PATTERNS:
1. 一緒に + verb: do together
- 一緒に行こう (Let's go together)
2. 〜と一緒に: together with ~
3. 一緒だ: is the same
- 意味は一緒だ (The meaning is the same)
COMMON EXPRESSIONS:
- 一緒に住む: to live together
- 一緒に働く: to work together
- ご一緒しましょう: Let me join you (polite)
SIMILAR: