He had a great time.

Meaning: This means that a male person had a period of time that was filled with enjoyment and satisfaction.

Choice of Words: He is a pronoun referring to a male person. Great means very good or impressive. Time refers to a period of duration. When we combine them, "He had a great time" suggests that a male person experienced a period of duration that was very good or impressive.

Alternative Expressions

The boy had a wonderful time.

Meaning: This means that the young male child enjoyed himself and had a good experience.

Choice of Words: The is an article that is used to indicate a specific noun. Boy is a noun that refers to a young male child. Had is a verb that means to possess or own something. A is an article that is used to indicate a singular noun. Wonderful is an adjective that means very good or enjoyable. Time is a noun that refers to a period of duration. When you put them together, "The boy had a wonderful time" means that the young male child experienced a period of enjoyment or pleasure.

He had a blast!

Meaning: This means that the male person had a really good time and enjoyed himself a lot.

Choice of Words: He is a pronoun that refers to a specific male person. Had is a verb that means to possess or own something. A is an article that is used to indicate a singular noun. Blast is a noun that refers to a very enjoyable or exciting experience. When you put them together, "He had a blast" means that the male person experienced a very enjoyable or exciting time.

Related Expressions