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key1
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- pronunciation:
- ki
- parts of speech:
- noun, adjective
- features:
- Word Explorer
| part of speech: |
noun |
| definition 1: |
A key is a small piece of metal that is a cut in a special way. It is used to open or close a lock. People use keys to lock their doors, their cars, and other things that they want to keep safe.
Jordan was late for his piano lesson because his mom couldn't find her car key. She finally found it in her jacket pocket.
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| definition 2: |
A key to something is a thing that helps you solve a problem or get what you want.
The famous singer said that having a great teacher was the key to her success.- synonyms:
- passport
- similar words:
- agent, instrument, means, ticket
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| definition 3: |
A key is a list that tells you what codes or symbols mean.
The key on the map shows that one inch on the map is equal to one hundred miles.- synonyms:
- legend
- similar words:
- guide, manual
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| definition 4: |
A key is a part of a machine or instrument that does something when you press it. Pianos and computers are some things that have keys.
Lucas is learning to type without looking at the keys on the computer.Most pianos have thirty-six black keys and fifty-two white keys.
- similar words:
- button, lever
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| related words: |
clue, lead, password |
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| part of speech: |
adjective |
| definition: |
The key part of something, is the most important or necessary part.
Flour and sugar are two of the key ingredients in a cake.- synonyms:
- central, chief, essential, fundamental, main, primary
- similar words:
- critical, great, important, major, prime
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| related words: |
essential |
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