Adjective

(en adjective)

Extremely bad; awful; terrible.

* There was horrendous carnage at the scene of the plane crash.

* My journey to work this morning was horrendous !

* {{quote-magazine, date=2012-03

, author=William E. Carter, Merri Sue Carter , title=The British Longitude Act Reconsidered , volume=100, issue=2, page=87 , magazine= citation , passage=But was it responsible governance to pass the Longitude Act without other efforts to protect British seamen? Or might it have been subterfuge—a disingenuous attempt to shift attention away from the realities of their life at sea. Conditions were horrendous aboard most British naval vessels at the time. Scurvy and other diseases ran rampant, killing more seamen each year than all other causes combined, including combat.}}

Adjective

(grimmer)

dismal and gloomy, cold and forbidding

Life was grim in many northern industrial towns.

rigid and unrelenting

His grim determination enabled him to win.

ghastly or sinister

A grim castle overshadowed the village.

* 2012 March 22, Scott Tobias, “ The Hunger Games''”, in ''AV Club :

In movie terms, it suggests Paul Verhoeven in Robocop/Starship Troopers mode, an R-rated bloodbath where the grim spectacle of children murdering each other on television is bread-and-circuses for the age of reality TV, enforced by a totalitarian regime to keep the masses at bay.

(UK, slang) disgusting; gross

Wanna see the dead rat I found in my fridge? —Mate, that is grim !