spellcheckPronunciation: /ˈspɛltʃɛk/Translate spellcheck | into French | into Italian Definition of spellcheck noun [often as modifier] a check of the spelling in a file of text using a spellchecker: a spellcheck program a spellchecker. verb [with object] check the spelling in (a text) using a spellchecker: the text shows signs of having been spellchecked but not proof-readspellcheck in other Oxford dictionaries Definition of spellcheck in the US English dictionary