Simple Definition:

Am is the first person singular present tense of the verb “to be” [the state of existing or being present]. It is used to describe the current state or condition of a person or thing, or a certain characteristic they have [a characteristic is something that describes someone or something, for example short, heavy, or soft].

For example:

• “I am happy.” (meaning: I currently feel happy)
• “I am tall.” (meaning: I have the characteristic of being tall)

Very Simple Definition:

Am means “exist” or “currently is.” It is used to talk about how someone or something is right now.

For example:

• “I am here.” (meaning: I exist in this place)
• “I am cold.” (meaning: Currently, I feel cold)