After the pond was polluted, many of the native fish died off within a few months.

As soon as the funding was approved, the startup founders were off at the races.

By the third time his flight was delayed he was completely browned-off and demanded a refund.

I can't believe he tried to mug off the tourists at the market by selling them fake watches.

After a long day, I'm afraid I'll cork off on the couch during the movie.

When the villagers discovered the smuggler's deception, they cried out 'off with their head!' in a fury.

After the unexpected announcement, the office was off the hinges as employees argued and papers flew everywhere.

By the end of the meeting, after shouting about imaginary conspiracies and overturning chairs, Jenna was clearly off the hooks.

The sudden disease is killing off many of the ancient trees in the wetland.

The invasive insect kills off native plants before they can adapt.