TOEFL Vocabulary #9

(adj.)—hateful, contemptible, extremely unpleasant, and causing or deserving hate

an odious crime
an odious little man
an odious person/task

(adj.)—vicious, evil, morally bad

The company's CEO seems to have been involved in some nefarious practices/activities.

nefarious: /nəˈfer.i.əs/

nefariously (adv) - nefariousness (n)

(adj.)—motivated only by greed

He had some mercenary scheme to marry a wealthy widow.
I don’t trust his motives – he’s too mercenary.

(adj.)—ill-willed; causing evil or harm to others

The central character is a malevolent witch out for revenge.
I could feel his malevolent gaze as I walked away.

malevolent: /məˈlev.əl.ənt/

malevolently (adv)

(adj.)—harmful to living things; injurious to health

They died from inhaling noxious fumes.
a noxious smell/influence

(adj.)—generous, lavish, unstinting

A former student has donated a munificent sum of money to the college.

munificent: /mjuːˈnɪf.ə.sənt/

munificence (n)

(adj.)—disposed to do evil; injurious, A malignant disease or growth is cancer or is related to cancer, and is likely to be harmful:
The process by which malignant cancer cells multiply isn't fully understood.

(n.)—culprit; evildoer, criminal, crook, culprit, felon outlaw, perpetrator, villain 

A malefactor acts maliciously.

(adj.)—generous, noble in spirit

The team's manager was magnanimous in victory and praised the losing team.

magnanimous: /mæɡˈnæn.ə.məs/

magnanimously (adv)

(n.)—a reputation for bad deeds, the quality of being famous for something considered bad:

The president described the attack as "a day that will live in infamy."