Adjective

(en-adj)

Dreadful; causing alarm and fear.

Formidable, powerful.

* 1883: (Robert Louis Stevenson), (Treasure Island)

and there was even a party of the younger men who pretended to admire him, calling him a "true sea-dog," and "real old salt," and such-like names, and saying there was the sort of man that made England terrible at sea.

Intense; extreme in degree or extent.

* {{quote-book, year=1963, author=(Margery Allingham), title=(The China Governess)

, chapter=18 citation , passage=‘Then the father has a great fight with his terrible conscience,’ said Munday with granite seriousness. ‘Should he make a row with the police […]? Or should he say nothing about it and condone brutality for fear of appearing in the newspapers?}}

Unpleasant; disagreeable.

* , chapter=12

, title= The Mirror and the Lamp , passage=To Edward […] he was terrible , nerve-inflaming, poisonously asphyxiating. He sat rocking himself in the late Mr. Churchill's swing chair, smoking and twaddling.}}

Very bad; lousy.

* {{quote-news, year=2012, date=April 26, author=Tasha Robinson, work=The Onion AV Club

, title= Film: Reviews: The Pirates! Band Of Misfits , passage=The openly ridiculous plot has The Pirate Captain (Hugh Grant) scheming to win the Pirate Of The Year competition, even though he’s a terrible pirate, far outclassed by rivals voiced by Jeremy Piven and Salma Hayek.}}

Adjective

(en adjective)

Disappointingly inadequate.

* {{quote-news, year=2012, date=April 22, author=Sam Sheringham, work=BBC Sport

, title= Liverpool 0-1 West Brom , passage=Liverpool's efforts thereafter had an air of desperation as their dismal 2012 league form continued.}}

Gloomy and bleak.

Depressing.

*, chapter=12

, title= Mr. Pratt's Patients , passage=So, after a spell, he decided to make the best of it and shoved us into the front parlor. 'Twas a dismal sort of place, with hair wreaths, and wax fruit, and tin lambrekins, and land knows what all. It looked like a tomb and smelt pretty nigh as musty and dead-and-gone.}}