Graded and ungraded adjectives
The 'clean' group
These adjectives indicate that something has a particular physical shape or quality, or that it looks, tastes, or feels a particular way.
bitter bright brilliant clean cold cool dark dirty dry empty firm flat fresh full hard hot loose loud pale pure quiet raw rough sharp silent smooth soft solid stable steady straight strong sweet tight tough visible warm weak wet
Japonica fruit is not poisonous but I should think it probably tastes rather bitter.
The factory is very clean.
He said 'hello' in a very quiet voice.
The lawns are as smooth as the green baize of a billiard table, and there are a variety of interesting trees, plants and flowers.
The weather on Sunday was unusually warm for this time of year.
People suffer dreadful spinal injuries in crashes because the roof structures of many cars are too weak.