Meaning & use
know
To have information, understanding, or awareness of something through experience, learning, or being told.
See it in a sentence
She has known her best friend since they were both in kindergarten.
Scientists still don't know exactly how the ancient structure was built.
A note on using this word
Know can refer to factual knowledge, personal acquaintance with someone, or a skill, and is irregular, forming 'knew' and 'known.'
Words with a similar meaning
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Words with an opposite meaning
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