(chiefly US, Canada) The main business part of a city or town, usually located at or near its center. / (US, slang) The female genitalia. / (slang) Heroin.

A precipitous decline in fortune; death or rapid deterioration, as in status or wealth. / The cause of such a fall; a critical blow or error. / An act of falling down.

(intransitive) To fall down; deteriorate; decline.

A heavy rain.

(intransitive) To pour down; rain heavily.

(figuratively) Oppressed, persecuted or subjugated. / Trodden down.

past participle of downtrod

(obsolete) Directed vertically; coming straight down. / Directly to the point; plain / Using plain direct language; accustomed to express opinions directly and bluntly; blunt. / Complete; absolute

Really; actually; quite / (obsolete) Straight down; perpendicularly. / (obsolete) Plainly, unambiguously; directly. / (obsolete) Without delay; at once.

Down a slope. / (by extension) Deteriorating, getting worse.