This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. Third-person singular simple present indicative form of invalidate.

"'edit_term' action, which will run every time a category or tag is edited (i.e. we're assuming that the editing of a term invalidates our data and we want to remove the cached version)."

confirm   

invalidated    invalidates    invalidating   

negate    contradict    change    modify    alter   

invalidated    invalidating   

overthrow    abolish    nullify    annul    disannul