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Invalid Antonyms are words that are the opposite of the word invalid or almost the opposite of the word invalid. We have identified the following antonyms for invalid: strong vigorous healthy well The list above has many uses. Use the words above to find an opposite word that you can use in your writing. By seeing words that mean the opposite of invalid, you may also get a better understanding of what the word "invalid" means. We keep adding more words to the Invalid Antonyms list, so feel free to contact us with suggestions.

Antonyms Lookup Go here to get antonyms for another word. Invalid Synonyms Get the synonyms for invalid instead of the antonyms. Invective Antonyms Here is the next word on our list that we have antonyms for.