A close friend is indeed a special person in everyone's life. They are the ones who are supportive, trustworthy, and always available whenever we need them. However, sometimes it becomes monotonous to use the same expressions over and over. That's where synonyms come in handy. Here are some other words that can be used in place of "close friend":
1. Bestie
2. Buddy
3. Comrade
4. Confidant
5. Pal
6. Companion
7. Familiar
8. Intimate
9. Soul Mate
10. Ally
No matter what word is used to describe them, having close friends is essential to a happy and fulfilling life.