What Does โWeigh sb upโ Mean?
โWeigh sb upโ means to carefully consider or judge someone, often quickly, to understand their character, abilities, or intentions.
Introduction
The phrasal verb โWeigh sb upโ is commonly used in English to describe the act of assessing or evaluating a person. When you weigh someone up, you observe their behavior, appearance, or words to form an opinion about them. This evaluation is often done in social or professional situations, such as meeting someone for the first time or deciding whether to trust them. Understanding the โWeigh sb up meaningโ is useful for both everyday conversations and more formal contexts. It helps learners express how they judge or analyze people around them clearly and naturally.
Quick Info Box
- Phrasal verb: Weigh somebody up
- Type: Transitive
- Level: B2
- Short meaning: To assess or judge someone carefully
Structure (Grammar Rules)
โWeigh sb upโ is a transitive and inseparable phrasal verb. This means the object (someone) always comes after the verb and cannot be placed between the verb and the particle.
- Correct: She weighed him up quickly.
- Incorrect: She weighed up him quickly.
Pattern: Weigh + object (someone) + up
How to Use Weigh sb up?
Use โWeigh sb upโ when talking about forming an opinion about a person based on observation or judgment. It can be used in both informal and formal situations. The phrase often implies a quick or initial assessment but can also refer to more thoughtful consideration.
Examples:
- Before deciding to hire a candidate, interviewers weigh them up carefully.
- When meeting new people, we often weigh them up unconsciously.
Examples
People often weigh others up in social situations to decide how to act around them. Here are some sentences using โWeigh sb upโ in context.
- She weighed him up during the meeting to see if he was trustworthy.
- He quickly weighed up the new student before choosing to work with her.
- When meeting clients, itโs important to weigh them up to understand their needs.
- They weighed each other up before starting the negotiation.
- Itโs common to weigh people up based on their appearance at first.
Here is an example of weigh sb up in a sentence: The manager weighed up the candidateโs skills before offering the job.
Common Mistakes
Many learners confuse the word order when using this phrasal verb. Remember, โWeigh sb upโ is inseparable, so do not place the object between the verb and particle.
- Incorrect: I weighed up him during our first meeting.
- Correct: I weighed him up during our first meeting.
Another mistake is using โweighโ alone without โupโ when the meaning is about judging someone:
- Incorrect: She weighed the new employee.
- Correct: She weighed up the new employee.
Differences / Synonyms
โWeigh sb upโ is similar to other phrases like โsize sb upโ or โsize sb up.โ However, there are subtle differences:
- Weigh sb up: Focuses on careful judgment or assessment.
- Size sb up: Often means to look at someone to judge their ability or character, sometimes quickly or superficially.
- Judge sb: More formal and sometimes has a negative tone.
For example, โsize sb upโ can suggest a quick glance, while โweigh sb upโ implies more thoughtful consideration.
Common Collocations
When using โWeigh sb up,โ certain objects frequently appear. Here are common collocations with their meanings:
- Weigh a person up: To assess someoneโs personality or abilities.
- Weigh a candidate up: To evaluate someone for a job or role.
- Weigh a competitor up: To judge a rivalโs strengths and weaknesses.
- Weigh a stranger up: To form an opinion about someone unknown.
Related Phrasal Verbs
Here are related phrasal verbs of weigh sb up:
Real-life Dialogue
People often use โWeigh sb upโ in conversations when talking about impressions or decisions. Here is a short natural dialogue:
Anna: Did you meet the new team member yet?
Ben: Yes, I weighed her up during the meeting. She seems very professional.
Anna: Thatโs good to hear. Iโll weigh her up myself tomorrow.
Practice
Try completing these sentences to practice using โWeigh sb upโ:
- Before hiring someone, employers usually _________ them _________ carefully.
- When meeting someone new, itโs natural to _________ them _________ quickly.
- Donโt _________ people _________ just by their appearance.
(Answers: weigh sb up / weigh sb up / weigh sb up)
FAQ
- What does โweigh sb upโ mean? It means to carefully assess or judge a person.
- Is โweigh sb upโ separable? No, the object always comes between โweighโ and โup.โ
- Can I say โweigh up sbโ? No, that word order is incorrect.
- Is โweigh sb upโ formal or informal? It is neutral and used in both formal and informal contexts.
- What are synonyms for โweigh sb upโ? Similar phrases include โsize sb upโ and โjudge sb.โ

