A recent Interactive Advertising Bureau (IAB) study revealed that online advertising accounted for 3.7 percent of the United States’ gross domestic product (GDP) in 2011.

At a loss for words? It could be the case that your ads are too.

Marketers are competing with millions of other advertisers for audience eyes. Website visitors see a lot of online advertisements, and unless you’re paying attention to the subtleties in your copy, your efforts may go unnoticed.

If you’re struggling to find the right words, here are 20 to kickstart your brainstorming. No thesaurus necessary.

Read more from blog.crazyegg.com.