1. very great or intense

- a terrific noise

- a terrific thunderstorm storm

- fought a terrific battle

Similar word(s): intense

2. extraordinarily good or great; used especially as intensifiers

Similar word(s): extraordinary, fantastic, grand, howling, marvellous, marvelous, rattling, tremendous, wonderful, wondrous, raging

3. causing extreme terror

- a terrifying wail

Similar word(s): alarming, terrifying

Sentences with terrific as an adjective:

- I say! She's a terrific tennis player.

- The car came round the bend at a terrific speed.

- The lightning was followed by a terrific clap of thunder.

- I've got a terrific hangover this morning.

- terrific speed