How to describe someone's feelings as 'fruitless', in a posh and intellectual way?

i would like to describe a characters feelings as fruitless, but you cant feel a description. i really thought this was a impressive word, but can yo

i would like to describe a character's feelings as fruitless, but you can't 'feel' a description. i really thought this was a impressive word, but can you make it make sense?

or:i would like to describe a character's feelings as fruitless, but you can't 'feel' a description. i really thought this was a impressive word, but can you make it make sense?

Tags:thought,feel,