Definition and meaning of English word "knife"
knife
/naɪf/
Meaning
NounA utensil or a tool designed for cutting, consisting of a flat piece of hard material, usually steel or other metal (the blade), usually sharpened on one edge, attached to a handle. The blade may be pointed for piercing.
How to use
The term 'knife' is commonly used in everyday conversation and can be found in various contexts, from culinary to tactical. A learner should note that 'knife' can be both countable and uncountable, depending on the context; for instance, 'a knife' refers to one utensil, while 'knives' can imply multiple utensils or a type of weapon. One common mistake is using 'knife' as a verb, which can lead to confusion.
🇬🇧 English
knife
Example
I need a knife
Use a sharp knife
Your personal vocabulary
🦊 Use this word in a live AI conversationSynonyms
Common phrases
- sharp knife— sharp knife
- knife edge— knife edge
- put the knife in— put the knife in
This concept in other languages
Frequency rank: #398 in English
Learn them all! 🚀
Master the 1000 most common English words with smart explanations, audio pronunciation, and spaced repetition.
Start Learning For Free →No sign-up required
Frequently Asked Questions
What does the English word "knife" mean?▼
The English word "knife" means "knife" in English.
How do you pronounce the English word "knife"?▼
You can hear the correct audio pronunciation of the word "knife" by clicking the play button next to the word at the top of this page.
Can I see an example sentence with "knife"?▼
Yes, here is a practical example: "Cutting tool" (which translates as "knife").
More Objects & Things words
Related reading
Duolingo vs Anki vs Apps: Comparing Language Learning Methods in 2026
An honest comparison of popular language learning approaches: gamified apps, SRS flashcards, textbooks, tutors, and immersion. Pros, cons, and who each is best for.
Read →MethodWhat Is Spaced Repetition? The SM-2 Algorithm Explained Simply
Spaced repetition is the single most effective method for memorizing vocabulary. Learn how the forgetting curve works, how the SM-2 algorithm calculates review intervals, and why 20 minutes a day beats 2 hours of cramming.
Read →