Not producing gain; not bringing advantage; unprofitable.(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "gainless" in a sentence
"Multiplied by the four major sports, and that's a lot of pointless and gainless memorizing."
"During those days, those gawky, gainless, unadmired days, in which he had wandered about the lanes of Guestwick as his only amusement, and had composed hundreds of rhymes in honour of Lily Dale which no human eye but his own had ever seen, he had come to regard himself as almost a burden upon the earth."
"The President heard that some of the latter voiced the petulant complaint of those weary of the gainless military movements, that the intention was to shift the two armies about till both were exhausted, and, like the peace-at-any-price men, and the still sympathizing pro-slavery "tail," a compromise could be effected and slavery saved."