1. past tense and past participle of creep; moved slowly and quietly, especially to avoid being noticed
2. moved very slowly or gradually
3. appeared or developed gradually and almost unnoticeably

Examples

• She crept quietly down the hallway so she wouldn’t wake anyone.
• The cat crept toward the bird, staying low to the ground.
• Traffic crept along the highway during rush hour.
• Doubt crept into his mind as the deadline approached.
• The ivy had crept up the side of the old building.
• He crept out of bed before dawn to go fishing.
• A smile crept across her face when she heard the good news.