Inutile is an adjective that means useless or pointless. 

The Latin word utilis (oo TEE lis) means ‘useful.’ We see the offspring of it in words like ‘utilize’ and ‘utility.’ Our word of the day adds the prefix I-N to it and we get a word that means ‘not useful.’ Here’s an example:

After six weeks of working as a coder, I began to feel pretty useless. I might have been more helpful if I actually knew how to write code.