Wiktionary
adv. (context UK English) Very effectively.
Usage examples of "a treat".
It was a treat they had seldom enjoyed in recent years, es cially in winter.
It was a treat they had seldom enjoyed in recent years, especially in winter.
Suppose Talena had put in crocodile belly meat and onions with the rice, giving him a treat?
Maureen, you won't believe what a treat sunbathing is to someone who would be risking a public flogging if she sunbathed in her home town.
Theodore had hesitated - afraid of hurting my feelings - but I had insisted, knowing what a treat our Nancy would be for Theodore (and Theodore for Nancy!
Our thought processes are so much slower than hers that a talk with another computer is a treat.
Or maybe it was the bleeding body of the dead policeman that made breathing such a treat, as if we all had to make up for him being dead somehow.
In our household the T-word is taboo unless a treat is actually forthcoming, so it always works.