Tax cuts work quickly but, in times like these, are relatively ineffective.

With a few exceptions, their attempts at asymmetric warfare have been crude and relatively ineffective.

The dispersants introduced were relatively ineffective due to insufficient wave action to mix the oil and water, and their use was shortly abandoned.

Up to that time everything in this area had been disorganized and difussed sic and relatively ineffective.

Their fire was relatively ineffective and both sides fired torpedoes without scoring any hits.