She played with it all day long.

Meaning: This means that she spent the entire day enjoying herself with the toy.

Choice of Words: Played means to engage in an activity for enjoyment. With means in the company of. All means the whole of something. Day is the period of time from sunrise to sunset.

Alternative Expressions

She occupied herself with it throughout the day.

Meaning: This means that the person engaged in the activity of occupying herself with an unspecified object for the entire day.

Choice of Words: Occupied herself is a verb that means to engage in an activity. With indicates that the occupation is done together with someone or something. It refers to an unspecified object. Throughout the day is an adverbial phrase that means for the entire day.

She spent the entire day engrossed in its company.

Meaning: This means that the person used the entire day being fully absorbed or involved with an unspecified object.

Choice of Words: Spent is a verb that means to use or consume time or resources. The entire day is an adverbial phrase that means for the entire day. Engrossed is an adjective that means to be fully absorbed or involved in something. Its company refers to the unspecified object.

Related Expressions