How to Describe Colleagues in English at Work Reviews
ESL English learning: Master performance review vocabulary to describe engineer strengths, weaknesses, and growth areas professionally.
Pronunciation Guide: Trait Vocabulary
Many performance vocabulary words are mispronounced in spoken feedback. Use this guide to sound confident in 1:1s and hiring panels.
conscientious /ˌkɒn.ʃiˈen.ʃəs/
con-shi-EN-shus
Saying 'con-SHENT-ious' — the stress is on the third syllable
diligent /ˈdɪl.ɪ.dʒənt/
DIL-i-jent
Pronouncing the 'g' as /g/ instead of /dʒ/
methodical /məˈθɒd.ɪ.kəl/
muh-THOD-i-kul
Stressing the first syllable: *METH-od-i-cal
astute /əˈstjuːt/
uh-STYOOT
Saying 'ASS-toot' with wrong stress and vowel
brusque /brʊsk/
BRUSK (one syllable)
Adding a second syllable: *'bru-SKAY'
Why Word Choice Matters in Performance Reviews
When you write a 360-degree review or give sprint feedback, every word carries weight. Calling someone 'resolute' signals a strength; calling them 'stubborn' flags a problem. Both describe someone who doesn't change their mind easily — but the connotation is completely different.
In tech workplaces, written feedback lives in HR systems for years. Choosing vocabulary carefully protects your colleague's reputation and demonstrates your own communication maturity.
Culture Note: Direct vs. Diplomatic Feedback
In many Western tech companies, feedback is expected to be direct but constructive. However, 'direct' doesn't mean 'harsh.' A phrase like 'tends to be tactless in code reviews' is too blunt for most performance docs. Try: 'Could benefit from more diplomatic phrasing when giving feedback.'
Positive vs. Negative Trait Vocabulary for Engineers
Many personality traits exist on a spectrum. The same behavior can be framed positively or negatively depending on your word choice. Use the table below to select vocabulary that matches your intended message.
| Positive Framing | Negative Framing | What It Describes | Tech Example |
|---|---|---|---|
| diligent, industrious | work-obsessed, workaholic | works very hard | She's diligent about testing edge cases vs. He's work-obsessed and burns out teammates |
| resolute, dogged | stubborn, obstinate | doesn't give up easily | He was resolute in debugging the memory leak vs. She's stubborn and won't consider alternative approaches |
| shrewd, astute | cunning, sly | makes clever decisions | Our PM is astute at prioritizing features vs. He's cunning about taking credit for team wins |
| methodical, conscientious | inflexible, dogmatic | careful and systematic | She's methodical in her code reviews vs. He's inflexible about coding standards |
| thrifty, frugal | stingy, parsimonious | careful with resources | The team is frugal with cloud costs vs. Management is stingy with the training budget |
| witty, pithy | brusque, terse | speaks concisely | Her RFC summaries are pithy and clear vs. His Slack replies are brusque and feel dismissive |
Grammar Tip: Adjective + Preposition Patterns
Many trait adjectives take specific prepositions. Learn these patterns: 'diligent about (quality)', 'astute at (skill)', 'tolerant of (difference)', 'supportive of (colleagues)'. Wrong prepositions sound unnatural: *'She is diligent at testing' → 'She is diligent about testing.'
Scenario 1: Writing a 360-Degree Performance Review
In 360 reviews, you describe a colleague's strengths, growth areas, and impact. Avoid vague words like 'nice' or 'good.' Use specific vocabulary paired with evidence.
| Weak / Vague | Strong / Specific |
|---|---|
| She is a good engineer. | She is a methodical engineer who consistently catches edge cases in code review. |
| He is bad at communication. | He tends to be brusque in written feedback, which can feel dismissive to junior engineers. |
| She works too much. | She is diligent to a fault — I'd encourage her to delegate more to avoid burnout. |
| He's nice to work with. | He is obliging and supportive — always willing to unblock teammates during on-call rotations. |
- obliging — ready to help others; willing to do favors
- supportive — gives encouragement and practical help
- altruistic — puts team needs above personal recognition
- conscientious — takes responsibilities seriously; thorough
- down-to-earth — practical, sensible, not pretentious
Scenario 2: Giving Structured Feedback After a Sprint
Sprint retros and 1:1s require real-time feedback vocabulary. You need phrases that are honest but constructive. Here's how to reframe negative traits diplomatically.
| Heard at Work (Too Direct) | Better English (Diplomatic) |
|---|---|
| You got carried away with the refactor and missed the deadline. | You're enthusiastic about code quality — let's discuss scoping refactors to stay on timeline. |
| You're stubborn about your technical opinions. | You're resolute in defending your architecture choices. Could you also explore alternatives the team suggests? |
| Your Slack messages are terse and rude. | Your messages are efficient, but adding context would help the team understand your reasoning. |
| You're a perfectionist and it slows us down. | Your attention to detail is valuable. Let's calibrate what 'good enough' looks like for MVP features. |
Phrase Pattern: [Positive Trait] + 'Let's discuss [growth area]'
This pattern acknowledges strength before addressing growth: 'You're intuitive about user needs — let's discuss how to document that intuition in your design docs so others can learn from it.'
Scenario 3: Describing a Candidate to a Hiring Panel
When debriefing after interviews, your vocabulary shapes hiring decisions. Be precise about strengths and concerns. Avoid words that sound biased or unprofessional.
| Trait to Describe | Professional Vocabulary | Example Sentence |
|---|---|---|
| Good instincts | intuitive, astute | She was intuitive about system design trade-offs without needing detailed prompts. |
| Very experienced | shrewd, seasoned | He's a shrewd debugger — he isolated the race condition in minutes. |
| Friendly personality | magnetic, personable | She has a magnetic presence that would energize the team. |
| Lacks confidence | insecure, uncertain | He seemed insecure when defending his design choices under pressure. |
| Overconfident | tactless, dismissive | She was tactless when the interviewer challenged her assumptions. |
| Inexperienced | naive, green | He's a bit naive about production scale, but trainable. |
- intuitive — understands things instinctively without needing explanation
- magnetic — has a personality that naturally attracts and engages others
- tactless — says things that unintentionally upset or offend people
- naive — lacks experience; trusts too easily
- insecure — not confident; uncertain about own abilities
Register: Slack vs. Performance Documents
The same trait needs different vocabulary depending on where you're writing. Slack tolerates casual language; performance docs and hiring feedback require professional register.
| Meaning | Casual (Slack / Chat) | Formal (Docs / Reviews) |
|---|---|---|
| Works very hard | She's a total workhorse | She is exceptionally diligent |
| Practical, sensible | He's super down-to-earth | He takes a pragmatic, grounded approach |
| Helps others | She's always got your back | She is reliably supportive and obliging |
| Talks too much | He rambles a lot | He can be somewhat verbose in meetings |
| Makes clever decisions | She's sharp | She demonstrates shrewd judgment |
Practice Exercises
Multiple choice
Choose the best answer.
Your colleague never gives up on debugging, even when others want to move on. Which word pair describes this positively vs. negatively?
Complete the sentence
Type the missing word or phrase.
Complete the 360 review sentence: 'She is ______ about code quality, always catching edge cases that others miss.'
Multiple choice
Choose the best answer.
In a hiring debrief, you want to say the candidate understands problems instinctively. Which word is most professional?
Multiple choice
Choose the best answer.
Which sentence uses the correct adjective-preposition pattern?




