1. past tense and past participle of enter; went into or came into a place
2. past tense and past participle of enter; began to participate in or become involved with something
3. past tense and past participle of enter; recorded or input information into a system or document

Examples

• She entered the room quietly.
• He entered the competition last week.
• The students entered the university in September.
• I entered my password incorrectly.
• They entered the data into the computer.
• The team entered the playoffs for the first time.
• We entered through the back door.