Nocturnal adj. Occurring or coming out at night: “A nocturnal lifestyle.”

Aesthetic(s) adj. 1. Of or concerning the appreciation of beauty or good taste. 2. Characterized by a heightened sensitivity to beauty. “The aesthetic design of the building is amazing!”

Enervate tr.v. 1. To weaken or destroy the strength or vitality. 2. Lacking physical, mental, or moral vigor. “Prolonged exposure to the sun and dehydration enervated the desert racing team.”

Tempestuous adj. Tumultuous; stormy: “A tempestuous relationship.”

Attrition n. 1. A gradual, natural reduction in membership or personnel, as through retirement, resignation, or death. 2. A gradual diminution in number or strength. “The company’s attrition rate was quite high.”

Insidious adj. 1. Working or spreading harmfully in a subtle or stealthy manner: insidious rumors; an insidious disease. 2. Beguiling but harmful; alluring: insidious pleasures.

Apathetic adj. 1. Feeling or showing little or no emotion; unresponsive. 2. Feeling or showing a lack of interest or concern; indifferent. “He seemed very apathetic about the company’s closure.”

Cornucopia n. A large amount of something; a great supply, an abundance: “A cornucopia of employment opportunities.”

Solicitous adj. 1. Marked by or given to anxious care and often hovering attentiveness. 2. Extremely careful; meticulous: “solicitous in matters of behavior.” 3. Anxious or concerned: “a solicitous parent.”

Attenuate v. 1. To reduce in force, value, amount, or degree; weaken: “The layoffs attenuated the company’s sales forecast.”