The definition of sterile is something totally clean and free from bacteria, a living thing that is not able to reproduce sexually and create offspring, or something that is lacking in interest or vitality.
which has proved to be ineffectual in practice or is theoretically considered to be of no avail
which fails to succeed or miscarries at an early stage of its development
stresses the idea of great and prolonged effort that is profitless or fails to yield results
also implies failure but does not have as strong a connotation of intrinsic inefficacy as
is applied to that which fails completely of the desired end or is incapable of producing any result
Find another word for futile. In this page you can discover 71 synonyms, antonyms, idiomatic expressions, and related words for futile, like: useless, pointless, not successful, vain, used, impracticable, unprofitable, fruitless, impractical, worthless and unavailing.