The definition for pallid is "Lacking color." Used in a sentence: The nurse was worried by the patient's pallid face and shallow breathing. The definition for comprehensible is "understandable.", the definition for periodic is "Occurring at regular intervals.", and the definition for prune is "To reduce by removing excess."

The definition for foil is "One that enhances or underscores by contrast." Used in a sentence: The sweet cookie was a perfect foil to the sour lemon sorbet. The definition for archaic is "characteristic of an earlier time.", the definition for illuminate is "To make clear.", and the definition for retroactive is "effective as of a prior time or condition."

The definition for implausible is "Unbelievable." Used in a sentence: Claudia's implausible excuse failed to convince her teacher. The definition for drab is "dull, monotonous.", the definition for egotist is "Self–important person.", and the definition for embellish is "To decorate."

The definition for oblivious is "Lacking awareness." Used in a sentence: Love–struck Charlie was oblivious to everyone but the object of his affection. The definition for ethical is "conforming to accepted standards.", the definition for distortion is "The act of twisting out of shape.", and the definition for untenable is "Not able to be defended."

The definition for unscrupulous is "Lacking principles." Used in a sentence: The unscrupulous salesman was fired for lying to his customers. The definition for incidental is "minor.", the definition for raucous is "Noisy, rowdy.", and the definition for clairvoyance is "Ability to see things beyond ordinary perception."