adverb
jolly
Very or extremely.
You know jolly well why I am upset.
Etymology
The adjective developed an intensifying use. Jolly before another adjective boosts its force, often without retaining any specific reference to cheerfulness.
Very or extremely.
You know jolly well why I am upset.
The adjective developed an intensifying use. Jolly before another adjective boosts its force, often without retaining any specific reference to cheerfulness.