terrific /tə-rifˈik/

1. Prodigious, very great, large or intense (informal)
2. Marvellous, excellent (informal)
3. Very good, enjoyable, attractive, etc (informal)
4. Frightening, terrifying
5. Dreadful

terrifˈically adverb

• gaseousnesses
• gases
• gas escape
• gas escapes
• gasfield
• gasfields
• gas-filled
• gas fire
• gas-fired
• gas fires
• gas-fitter
• gas-fitters
• gas-fittings
• gas-furnace
• gas-furnaces
• gas gangrene
• gas gangrenes
• gas giant
• gas giants
• gas-globe
• gas-globes
• gas gun
• gas guns
• gas-guzzler
• gas-guzzlers