Quick Definition
Let Down — To disappoint someone by failing to do what was expected.
Meanings of Let Down
| Meaning | Example Sentence | Explanation |
|---|---|---|
| Disappoint | I promised I wouldn't let you down. | I promised I wouldn't disappoint you. |
| Lower something | Let the rope down slowly. | Lower it gradually. |
Example Sentences
| Sentence | Meaning in Context |
|---|---|
| I promised I wouldn't let you down. | I promised I wouldn't disappoint you. |
| Let the rope down slowly. | Lower it gradually. |
| "Don't worry -- I'll let down it." | Using it in a short reassurance. |
| She decided to let down the whole situation. | Applying the phrasal verb in context. |
Grammar Notes
Separability & Transitivity
Type: separable | Transitivity: transitive
Transitive and separable: let someone down or let down someone. With pronoun: let them down.
How to Use Let Down
Neutral to informal. The 'disappoint' meaning is very common in everyday speech and writing.
| Register | Example / Notes |
|---|---|
| Informal / Spoken | I promised I wouldn't let you down. |
| Neutral / Written | Consider context; single-word synonyms may suit formal writing. |
Similar Phrasal Verbs
Practise Let Down
Practice English Phrasal Verbs
Use these exercises to master phrasal verbs in context:
Frequently Asked Questions about Let Down
What does "Let Down" mean?
"Let Down" means: To disappoint someone by failing to do what was expected. It is a transitive phrasal verb rated CEFR B1.
Is "Let Down" separable or inseparable?
"Let Down" is separable. Transitive and separable: let someone down or let down someone. With pronoun: let them down.
How do I use "Let Down" in a sentence?
I promised I wouldn't let you down. -- in this example, 'Let Down' means i promised i wouldn't disappoint you.
What is the register of "Let Down"?
Neutral to informal. The 'disappoint' meaning is very common in everyday speech and writing.
What CEFR level is "Let Down"?
"Let Down" is typically taught at CEFR B1 — Intermediate level. It appears frequently in neutral to informal contexts.
What is the difference between "Let Down" and similar phrasal verbs?
"Let Down" specifically means: To disappoint someone by failing to do what was expected. Compare with similar verbs in the 'Similar Phrasal Verbs' section below for nuanced differences.
Can "Let Down" be used formally?
Neutral to informal. The 'disappoint' meaning is very common in everyday speech and writing. When writing formally, consider whether a single-word synonym might be more appropriate for the context.
Does "Let Down" take an object?
"Let Down" is transitive. Transitive and separable: let someone down or let down someone. With pronoun: let them down.
How can I practise "Let Down"?
Use LexFizz's Find the Match and Flip Tiles exercises to practise 'Let Down' in context. Seeing it in multiple sentences helps the meaning stick.
Is "Let Down" used in British or American English?
"Let Down" is used in both British and American English, though register and frequency may vary. Neutral to informal. The 'disappoint' meaning is very common in everyday speech and writing.