/damd/ , adj., superl. damnedest, damndest , n. , adv.
adj.
1. condemned or doomed, esp. to eternal punishment: the wailing of damned souls.
2. detestable; loathsome: Get that damned dog out of here!
3. complete; absolute; utter: a damned nuisance; a damned fool.
4. Informal. extraordinary; amazing: It was the damnedest thing I'd ever seen.
n.
5. the damned , those condemned to suffer eternal punishment.
adv.
6. extremely; very; absolutely: a damned good singer; too damned lazy.
7. damned well , Informal. certainly or without doubt; emphatically: You damned well better say you're sorry! Also, damn well .
[ 1350-1400; ME dam ( p ) ned. See DAMN, -ED 2 ]