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Congratulate on

Podcast 1 · Introduction

Congratulate-on /kənˈɡrætʃʊleɪt ɒn/ · phrase (verb + preposition)

A short documentary narration — meaning, origin, and how the word is used.

In this course, congratulate on means to express warm pleasure and praise to a person for a particular. A related lesson is the congratulate course. One citation is the Cambridge entry for congratulate, and a second is the Cambridge learner entry for congratulate. Encyclopaedic background is in Congratulations.

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Podcast 2 · Daily Use

In Conversation

Two British speakers using "congratulate-on" naturally in everyday talk.

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Podcast 3 · Prompt Engineering

Prompting with "congratulate-on"

An instructor and developer explore real, copy-ready AI prompts built around the word.

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Transcript: “Congratulate on” vocabulary micro-course

Read along with the three podcasts, or open the full dictionary entry for Congratulate on for the definition, Arabic meaning, synonyms and example sentences.

Podcast 1 — Introduction & meaning

Narrator: Today's word is "congratulate on" — a phrase built from a verb and a preposition, pronounced /kənˈɡrætʃʊleɪt ɒn/, with the stress on "grat".

Narrator: To congratulate someone on something means to express warm pleasure and praise to a person for a particular achievement, success or happy event.

Narrator: In plain English, it is the polite way of saying well done, and the little word on tells everyone exactly what the well done is for.

Narrator: It comes from the Latin congratulari, meaning to wish joy together, formed from con, with, and gratus, pleasing or grateful, while on marks the occasion being praised.

Narrator: A very common collocation is to congratulate a colleague on a promotion, which describes recognising someone's professional step forward in a public and generous way.

Narrator: It differs from praise, because praise judges the quality of work itself, while congratulate on celebrates the person and the milestone they have reached.

Narrator: There is also a slightly wry second use, to congratulate yourself on something, which describes quiet private satisfaction and sometimes a touch of smugness.

Narrator: Human resources teams, diplomacy, customer communications, education and everyday product notifications all rely on this phrase to sound sincere without sounding stiff.

Narrator: So remember: congratulate on joins a warm word of praise to the precise achievement that earned it.

Read podcasts 2 and 3

Podcast 2 — In conversation

Speaker A: Why do we say congratulate someone on a wedding rather than congratulate someone for a wedding?

Speaker B: Lovely question, and CONGRATULATE comes from the Latin congratulari, to rejoice together, so the preposition on simply points at the happy occasion we are rejoicing over, while for tends to suggest a reason or a reward.

Speaker A: So on introduces the event, and the person always comes first?

Speaker B: Exactly right, you congratulate the person on the thing, so the human being is the object and the achievement follows the preposition.

Speaker A: Example sentences?

Speaker B: First, "The director congratulated the team on shipping the release ahead of schedule," which praises a group for a delivery milestone. Second, "Please allow me to congratulate you on your appointment," which is a formal note of respect. Third, "She quietly congratulated herself on having backed up the database," which shows private relief and satisfaction.

Speaker A: Common mistakes?

Speaker B: Avoid congratulate for, avoid congratulate about, and do not write congradulate, since the spelling keeps the t from Latin gratus. Remember too that after on you need a noun or an ing form, so it is congratulate him on winning, never congratulate him on win.

Speaker A: Close relatives?

Speaker B: Compliment someone on is the polite cousin, felicitate someone on is the very formal twin, and commend someone for is the workplace alternative, though congratulate on keeps its warm, celebratory charm!

Podcast 3 — Prompt engineering

Speaker B: Let's use "congratulate on" in AI prompts — useful for writing employee recognition messages and for drafting in-app milestone notifications.

Speaker A: How does it apply to internal communications?

Speaker B: Ask for a short message that names the achievement precisely.

Prompt: Write a four sentence internal announcement that congratulates the platform team on completing the migration two weeks early, naming one specific contribution each from engineering and quality assurance.

Speaker A: What about product notifications?

Speaker B: Have the model generate celebratory copy that stays brief and genuine.

Prompt: Draft three in-app notification variants of under twenty words each that congratulate a user on completing their first thirty day learning streak and invite them to start the next one.

Speaker A: Could it help with customer support tone?

Speaker B: Yes, ask for replies that acknowledge a customer milestone before handling the request.

Prompt: Rewrite this support reply so it first congratulates the customer on launching their new online shop and then explains the billing change in plain British English.

Speaker A: One more?

Speaker B: Let's use it for reviewing written tone across a documentation set.

Prompt: Scan our release notes and flag every sentence that misuses congratulate with for or about, rewriting each one to use congratulate on correctly.