NASTY

filthy, foul, nasty

(adjective) disgustingly dirty; filled or smeared with offensive matter; “as filthy as a pigsty”; “a foul pond”; “a nasty pigsty of a room”

cruddy, filthy, foul, nasty, smutty

(adjective) characterized by obscenity; “had a filthy mouth”; “foul language”; “smutty jokes”

nasty, tight

(adjective) exasperatingly difficult to handle or circumvent; “a nasty problem”; “a good man to have on your side in a tight situation”

nasty, awful

(adjective) offensive or even (of persons) malicious; “in a nasty mood”; “a nasty accident”; “a nasty shock”; “a nasty smell”; “a nasty trick to pull”; “Will he say nasty things at my funeral?”- Ezra Pound

Source: WordNet® 3.1

Etymology

Adjective

nasty (comparative nastier, superlative nastiest)

(now chiefly US) Dirty, filthy. [from 14th c.]

Contemptible, unpleasant (of a person). [from 15th c.]

Objectionable, unpleasant (of a thing); repellent, offensive. [from 16th c.]

Indecent or offensive; obscene, lewd. [from 17th c.]

Spiteful, unkind. [from 19th c.]

(chiefly UK) Awkward, difficult to navigate; dangerous. [from 19th c.]

(chiefly UK) Grave or dangerous (of an accident, illness etc.). [from 19th c.]

(slang, chiefly US) Formidable, terrific; wicked. [from 20th c.]

Noun

nasty (plural nasties)

(informal) Something nasty.

(euphemistic, preceded by "the") Sexual intercourse.

A video nasty.

Anagrams

• Ansty, Santy, Tansy, Yants, antsy, tansy

Source: Wiktionary

Nas"ty, a. [Compar. Nastier (; superl. Nastiest.] Etym: [For older nasky; cf. dial. Sw. naskug, nasket.]

1. Offensively filthy; very dirty, foul, or defiled; disgusting; nauseous.

2. Hence, loosely: Offensive; disagreeable; unpropitious; wet; drizzling; as, a nasty rain, day, sky.

3. Characterized by obcenity; indecent; indelicate; gross; filthy.

Syn.

– Nasty, Filthy, Foul, Dirty. Anything nasty is usually wet or damp as well as filthy or dirty, and disgusts by its stickness or odor; but filthy and foul imply that a thing is filled or covered with offensive matter, while dirty describes it as defiled or sullied with dirt of any kind; as, filthy clothing, foul vapors, etc.

Source: Webster’s Unabridged Dictionary 1913 Edition