Intermediate (B1)
IPA: //ʌnˈfruːt.fəl//
KK: /ʌnˈfrutfl/
Definition
Not producing any useful or valuable results; ineffective or barren.
Example
The team's efforts to improve sales were unfruitful, leading to disappointment.
Conversation

I spent all afternoon studying, but it felt so unfruitful.

That sounds frustrating! Sometimes studying just doesn't click.

Yeah, I thought I was making progress, but I guess it was just an unfruitful effort.

Maybe you need a break or a different approach to help you focus better.
Synonyms & Antonyms
Synonyms
barren
sterile
unproductive
Antonyms
fruitful
productive
profitable
Root Explanation
Unfruitful → It is formed from "un-" (meaning not) and "fruitful" (from Old English "fruhtful", meaning producing fruit or beneficial results). The word "unfruitful" means not producing fruit or lacking beneficial results.
Memory Tip
Think of 'not' ('un-') producing 'fruit' — that's why unfruitful means not yielding any results.
Visually Confused Words
fruitful
untruthful
untrustful
unrightful
unfaithful
fruitfully