Find Antonyms
validly Antonyms
Opposite of validly
Because the opposite of validly shifts with each meaning, the 10 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
• adverb (Context 1)
In a manner that is logically sound, well-founded, or supported by evidence and reason.
Usage Example
"The researchers invalidly argued that the sample size was too small to draw definitive conclusions."
Strongest
invalidly
fallaciously
Strong
illogically
unjustifiably
falsely
erroneously
• adverb (Context 2)
In a way that is legally binding, officially acceptable, or executed in accordance with established rules and law.
Usage Example
"For the property transfer to take effect, the deed must be invalidly signed and witnessed by a notary."
Strongest
invalidly
illegally
unlawfully
Strong
illegitimately
improperly
Similar words to validly
Words similar to validly shift depending on context. Common synonyms include:
legally
soundly
lawfully
legitimately
justifiably
logically
duly
reasonably
Cite this Entry
Wordmom. (2026). Antonyms for Validly. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/validly