ineffective
word
Definition
Not producing the intended result or not working well.
Usage & Nuances
More formal than 'not working' or 'doesn't work'. Used for methods, medicines, strategies, actions. Common collocations: 'ineffective treatment', 'ineffective against', 'prove ineffective'. Not a synonym for 'useless' (which is stronger).
Spanish: ineficazPortuguese (BR): ineficazPortuguese (PT): ineficazChinese (Simplified): 无效的Chinese (Traditional): 無效的Hindi: अप्रभावीArabic: غير فعال
Example Sentences
This medicine is ineffective for headaches.
basic
The lock was ineffective and easy to open.
basic
Their efforts to stop the noise were ineffective.
basic
After a week, the new rules proved ineffective.
natural
He tried to fix it with tape, but that was totally ineffective.
natural
Many students found the online lessons ineffective compared to classroom teaching.
natural