Vocabulary From Latin and Greek Roots: Book V, Unit 4

Negate

v. To cancel the effect of; nullify

Impair

v. To cause to diminish, as in strength, value or quality

Malinger

v. To pretend to be sick in order to avoid something

Malign

v. To speak maliciously; insult

Malaise

n. A sense of unease, depression

Peccadillo

n. A small sin or fault

Mal-

Latin "bad"

Neg-

Latin, "to deny, to neglect"

Pecc-

Latin, "to sin, to be flawed"

Pej-

Latin, "worse"

Impeccable

adj. Having no flaws

Pejorative

adj. Negative and critical; insulting

Negligent

adj. Not properly attentive

Negligible

adj. Unimportant, insignificant

Peccant

adj. Violating a moral law; sinful