unknown
B2Frequent NGSL-3UK /ˌʌnˈnəʊn/US /ˌʌnˈnəʊn/
Meaning
adjective
not known or identified
“ A previously unknown group claimed responsibility for the bombing.”
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“We invested billions into the unknown.”
📺 Jensen Huang's Speech at CaltechLearn this word in the video →
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