What Does “Gnaw at sb” Mean?
“Gnaw at sb” means to cause someone to feel worried, anxious, or upset over time. It often describes feelings that gradually bother a person.
Introduction
The phrasal verb gnaw at sb is used to describe a situation where something causes ongoing mental discomfort or emotional distress. When something “gnaws at” a person, it eats away at their peace of mind, often making them feel uneasy or troubled. This expression comes from the idea of an animal gnawing on something persistently, which is similar to how a problem or worry can keep bothering a person inside. Understanding the gnaw at sb meaning can help English learners express subtle feelings of anxiety or regret in a natural way. It is a useful phrase for both everyday conversations and writing, especially when describing internal struggles or doubts.
Quick Info Box
- Phrasal verb: gnaw at somebody
- Type: transitive
- Level: B2 (Upper-intermediate)
- Short meaning: To cause someone to feel worried or upset gradually
Structure (Grammar Rules)
“Gnaw at sb” is a transitive phrasal verb, meaning it requires an object (somebody or something). It is inseparable, so the verb and the particle “at” must stay together. The structure is:
- Subject + gnaw + at + somebody/something
Example: “Doubt gnawed at her all night.”
How to Use “Gnaw at sb”?
You use “gnaw at sb” when you want to describe feelings like worry, guilt, or fear that persistently bother someone. It often refers to internal emotional states rather than physical pain. This phrasal verb works well with abstract nouns like “guilt,” “doubt,” “fear,” or “worry.”
Examples
Have you ever felt uneasy about a decision you made? That feeling can gnaw at you.
- Her conscience gnawed at her after she lied to her friend.
- Regret gnawed at him for days after missing the meeting.
- The fear of failure gnawed at the student before the exam.
- Uncertainty about the future gnawed at their minds constantly.
- Self-doubt gnawed at him during the entire project.
These examples show how “gnaw at sb” is used to express ongoing emotional discomfort.
Common Mistakes
Sometimes learners confuse “gnaw at sb” with physical biting or chewing. Remember, this phrase is mostly about feelings, not physical actions.
- Incorrect: The dog gnawed at me all day. (Here, “gnaw at” means biting, which is correct but does not use “sb” as a feeling.)
- Correct: Anxiety gnawed at me before the interview.
- Incorrect: She gnawed at her fear. (Usually, the fear gnaws at her, not the other way around.)
- Correct: Fear gnawed at her during the storm.
Differences / Synonyms
Other phrasal verbs like “eat away at sb” or “get to sb” are similar but slightly different from “gnaw at sb.”
- Eat away at sb: Also means to cause gradual emotional pain but can be stronger or more destructive.
- Get to sb: Means to affect someone emotionally, often suddenly or noticeably.
“Gnaw at sb” emphasizes a slow, persistent feeling, while “get to sb” can be quicker and less gradual.
Common Collocations
Here are some common words that often go with “gnaw at”:
- Guilt – feeling bad about something wrong done
- Doubt – uncertainty or lack of confidence
- Fear – an unpleasant emotion caused by danger or threat
- Worry – a state of anxiety or concern
- Regret – sadness or disappointment over something past
Related Phrasal Verbs
Here are related phrasal verbs of gnaw at sb:
Real-life Dialogue
Here is a short conversation using “gnaw at”:
Anna: You look worried. Is something wrong?
Ben: Yeah, this decision has been gnawing at me all week.
Anna: I understand. Sometimes doubts just don’t go away easily.
Ben: Exactly. I can’t stop thinking about what might happen.
Practice
Complete the sentences using “gnaw at”:
- The feeling of _______ gnawed at her after the argument.
- He couldn’t sleep because fear was _______ him all night.
- Regret _______ him for missing the opportunity.
Answers:
- guilt
- gnawing at
- gnawed at
FAQs
- What does “gnaw at sb” mean? It means to cause someone to feel worried or upset gradually.
- Is “gnaw at sb” used for physical or emotional pain? It is mainly used for emotional or mental discomfort.
- Can “gnaw at” be separated? No, “gnaw at” is inseparable in this phrasal verb.
- What are common words used with “gnaw at”? Words like guilt, doubt, fear, worry, and regret often go with it.
- Is “gnaw at sb” formal or informal? It is neutral and can be used in both formal and informal contexts.

