Adieu means goodbye.
- Since joining the health club, Ty bid adieu to bad eating habits.
Ado means bother, fuss, or trouble.
- “Husband, let’s follow, to see the end of this ado.”—The Taming of the Shrew
À deux means to involve two people in a private or intimate nature.
- The inn featured dining à deux, private porches, and cut flowers.