upstart
C2Verb/US /ˈʌpstˌɑrt/ ŬPST-ärt; UK /ˈʌpstˌɑrt/ ŬPST-ärt/
To start or spring up suddenly.

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To start or spring up suddenly. Explore pronunciation, examples, forms and usage in the JadoLearn English dictionary.
To start or spring up suddenly.
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