Doozy vs. Dozy

Something that is extraordinary: often troublesome, difficult or problematic, but sometimes extraordinary in a positive sense.

Example: ‘Most of the test was easy, but the last question was a doozy.’;

Of high quality; remarkable; excellent.

Sporty, ostentatious, flashy.

something outstanding or unique of its kind

Example: ‘it's gonna be a doozy of a black eye’;

Quite sleepy or tired.

Intellectually slow.

Example: ‘Jim is a dozy child.’;

(carpentry) Decaying, rotten, spongy.

Example: ‘dozy wood’;

Drowsy; inclined to doze; sleepy; sluggish; as, a dozy head.

half asleep;

Example: ‘made drowsy by the long ride’; ‘it seemed a pity to disturb the drowsing (or dozing) professor’; ‘a tired dozy child’; ‘the nodding (or napping) grandmother in her rocking chair’;