She is my best friend.

Meaning: This means that mom is the person I like and trust the most.

Choice of Words: Best means the most excellent or desirable. Friend is a person whom you know well and with whom you have a bond of mutual affection. When you put them together, "best friend" means the person you like and trust the most.

Alternative Expressions

She is a good friend of mine.

Meaning: This means that the speaker considers the female person as one of their close companions who has positive qualities.

Choice of Words: She refers to a female person who is the subject of the sentence. Is is a verb that describes the state of being. A indicates that the noun that follows is singular. Good means having or showing desirable or positive qualities. Friend is a person who you have a close relationship with and trust. Of shows that the friend belongs to the speaker. Mine is a possessive pronoun that means belonging to the speaker.

We are best friends.

Meaning: This means that the speaker and the other person consider each other as their closest and most preferred companions.

Choice of Words: We refers to the speaker and another person who are the subject of the sentence. Are is a verb that describes the state of being. Best means the most excellent or most preferred. Friends is the plural form of friend, which means people who you have a close relationship with and trust.

Related Expressions