Find Antonyms
improperly Antonyms
Opposite of improperly
Because the opposite of improperly shifts with each meaning, the 9 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
• adverb (Context 1)
In a way that is not in accordance with accepted standards, rules, or procedures; incorrectly or unsuitably.
Usage Example
"The electrical wiring was properly installed, creating a serious safety hazard in the building."
Strongest
properly
correctly
Strong
suitably
appropriately
rightly
accurately
• adverb (Context 2)
In a manner lacking modesty, good manners, or ethical integrity; indecently or unethically.
Usage Example
"The committee investigated claims that the official had acted properly by accepting gifts from contractors."
Strongest
properly
decently
ethically
Strong
appropriately
honorably
Similar words to improperly
Words similar to improperly shift depending on context. Common synonyms include:
incorrectly
inappropriately
wrongly
unethically
unsuitably
indecently
unbecomingly
erroneously
• Nearby Words
Cite this Entry
Wordmom. (2026). Antonyms for Improperly. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/improperly