tack on

Currently, building infrastructure is a key way for utilities to boost their profits because they bill the cost back to ratepayers over many years, tacking on annual interest that is typically 10.5%.

And rather than squander the early momentum like they did Tuesday, the Dodgers just kept tacking on from there.

A failed double steal ended the first inning, squandering an opportunity to tack on to a 1-0 lead with runners on the corners.

“But then an extra species got tacked on to the stated goals of the MPA, and it wasn’t effective for that species.”

When radio stations expanded into television, some tacked on “-TV” to their call letters, or just added a “T.”