of/to no effect

of no effect

Without any of the desired result or impact. Our warnings were of no effect, and he went ahead with the foolish investment.
See also: effect, no, of

to no effect

Achieving none of the desired result or impact. We warned them not to invest their money in such a foolish scheme, but to no effect.
See also: effect, no

of/to no efˈfect

not having the result hoped for: Their warnings were of no effect.They tried to persuade him to change his mind, but to no effect.
See also: effect, no, of