Words similar to ineffective

Example sentences for: ineffective

How can you use “ineffective” in a sentence? Here are some example sentences to help you improve your vocabulary:

In this issue, for example, we publish an important randomized controlled trial of a malaria vaccine in 372 Gambian men, which found that the vaccine was ineffective at reducing the natural infection rate.
Inhibitor 4b with a four-carbon linker was as ineffective as 3b.
However, although v-IL-10 is able to block early-stage disease, it is ineffective in reversing established disease.
And so ineffective financially; the magazine was all but broke from the start, and stayed that way.
The changeover was ineffective, however, and by the early 1980s, the only tangible progress was that liquor and wine had to be labeled in liters.