Peripatetic adj. Traveling from place to place, esp. working or based in various places for relatively short periods. “He maintained a peripatetic lifestyle.”

Rapier n. Quick and incisive. A sharp-pointed sword used for thrusting. “Rapier combat was not for the meek.” “Rapier wit.”

Acuity n. Sharpness or keenness of thought, vision, or hearing. “The sun’s glare can cause discomfort and reduces visual acuity.”

Sycophant; Sycophantic Attempting to win favor from influential people by flattery; A servile self-seeking flatterer. “There was sycophantic laughter from the audience at their bosses jokes.”

Surreptitious adj. Kept secret, particularly because it would not be approved of. “His surreptitious drug habit could land him in jail.”

Brusque adj. Abrupt and curt in manner or speech; discourteously blunt. “Her boss gave a brusque reply.”

Congruent; Congruous adj. In agreement or harmony. Suitable; appropriate. “The company’s operations were congruent with its business plan.”

Churlish adj. Rude in a mean-spirited and surly way. “It was rather churlish of him to complain about the small donations.”

Efficacy n. The ability to produce a desired or intended result. “The efficacy of the new marketing plan has not been proven.”

Amorphous adj. Without a clearly defined shape or form. Vague; ill-organized; unclassifiable. “The amorphous package caused alarm to many people in the terminal.”