Definition of uncheck in English:

uncheck

Syllabification: un·check
Pronunciation: /ˌənˈCHek
 
/

verb

[with object]
Unselect (a box in an electronic form, questionnaire, etc.): consumers had to uncheck the box for travel insurance to opt out of purchasing it
More example sentences
  • If it is anything even remotely bad or something you don't use - uncheck the box next to it.
  • This unchecks all checkboxes that have been selected.
  • From here, I unchecked the option to set the time automatically.

Definition of uncheck in:

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Word of the day flippant
Pronunciation: ˈflɪp(ə)nt
adjective
not showing a serious or respectful attitude