ineffectually
in-ef-fec-tu-al-ly
adverb
Without producing the desired or intended effect; uselessly or feebly.
"He tried ineffectually to open the stubborn jar."
Thesaurus
Antonyms: effectually
in-ef-fec-tu-al-ly
Without producing the desired or intended effect; uselessly or feebly.
"He tried ineffectually to open the stubborn jar."
Antonyms: effectually