"Sneak" can be used as a verb (to move or do something secretly), a noun (a person who is secretive/dishonest), or an adjective (something done by surprise).
Here is a breakdown of how to use it in different contexts:
1. As a Verb (The most common use)
This means to move quietly or do something without being noticed.
Moving secretly: "I tried to sneak into the house at midnight without waking my parents."
Bringing something secretly: "We managed to sneak some snacks into the movie theater."
Quickly doing something: "I’m going to sneak a look at the answers while the teacher isn't looking."
Grammar Note: The past tense can be either sneaked (formal/British) or snuck (informal/American). Both are widely accepted today.
2. Common Phrasal Verbs
Sneak up on: To approach someone without them seeing you.
Example: "Don't sneak up on me like that! You scared me."
Sneak out: To leave a place quietly.
Example: "The party was boring, so we sneaked out early."
Sneak in: To enter quietly.
Example: "He snuck in through the back door."
3. As a Noun or Adjective
Noun (A person): Someone who is sneaky or tells on others.
Example: "You told the boss? You little sneak!"
Adjective (By surprise): Something done secretly or in advance.
Example: "The enemy launched a sneak attack at dawn."
Example: "Here is a sneak peek (a secret preview) of my new video."
Summary Table
| Context | Example Sentence |
| Movement | He sneaked past the guard unnoticed. |
| Objects | She snuck a letter into his pocket. |
| Surprise | The birthday snuck up on me this year. |
| Informal | Can I sneak a bite of your sandwich? |
