INIQUITOUS
iniquitous, sinful, ungodly
(adjective) characterized by iniquity; wicked because it is believed to be a sin; “iniquitous deeds”; “he said it was sinful to wear lipstick”; “ungodly acts”
Source: WordNet® 3.1
Etymology
Adjective
iniquitous (comparative more iniquitous, superlative most iniquitous)
wicked or sinful
morally objectionable
Synonyms
• (wicked): flagitious, nefarious
• (morally objectionable): perverse
Antonyms
• righteous
Source: Wiktionary
In*iq"ui*tous, a. Etym: [From Iniquity.]
Definition: Characterized by iniquity; unjust; wicked; as, an iniquitous
bargain; an iniquitous proceeding.
Demagogues . . . bribed to this iniquitous service. Burke.
Syn.
– Wicked; wrong; unjust; unrighteous; nefarious; criminal.
– Iniquitous, Wicked, Nefarious. Wicked is the generic term.
Iniquitous is stronger, denoting a violation of the rights of others,
usually by fraud or circumvention. Nefarious is still stronger,
implying a breach of the most sacred obligations, and points more
directly to the intrinsic badness of the deed.
Source: Webster’s Unabridged Dictionary 1913 Edition