Select the most appropriate ANTONYM that can substitute the highlighted segment in the given sentence.
The team was gradually realising that the social gatherings were draining.

The correct antonym of "draining" is "absorbing".
Draining:
· Meaning: Causing exhaustion, mentally or physically tiring.
· Hindi meaning: थका देने वाला
· Example: The long meeting was draining, leaving everyone exhausted.
Absorbing:
· Meaning: Engaging, interesting, holding attention.
· Example: The book was so absorbing that I read it in one sitting.
Synonyms of Draining: Exhausting, Depleting, Fatiguing, Tiring.
Antonyms of Draining: Absorbing, Refreshing, Invigorating, Energizing.
Meanings of other options:
· Unfruitful: Not productive.
· Flippant: Not showing seriousness.
· Frivolous: Lacking seriousness.