Noun

1. The least favorable outcome
2. The greatest damage or wickedness of which one is capable
3. The weakest effort or poorest achievement one is capable of

Adjective

1. (superlative of `bad') most wanting in quality or value or condition
2. Having undesirable or negative qualities
3. Feeling or expressing regret or sorrow or a sense of loss over something done or undone

Verb

1. Defeat thoroughly

Adverb

1. To the highest degree of inferiority or badness