Prolific adj. Productive: Producing abundant works or results. “A prolific artist.” “A prolific writer.”

Innocuous adj. 1. Having no adverse effect; harmless. 2. Not likely to offend or provoke to strong emotion; insipid. “The innocuous looking e-mail actually contained a virus.”

Capricious adj.  Characterized by or subject to whim; impulsive and unpredictable. “He’s such a capricious boss I never know how he’ll react.”

Visceral adj. 1. Instinctual: proceeding from instinct rather than from reasoned thinking or intellect. “A visceral business decision.” 2. Emotional: characterized by or showing crude or elemental emotions.

Cognitive adj. 1. Relating to the process of acquiring knowledge by the use of reasoning, intuition, or perception. 2. Having a basis in or reducible to empirical factual knowledge. “A Cognitive model for success.”

Specious adj.  1. Having the ring of truth or plausibility but actually fallacious. “A specious argument.” 2. Deceptively attractive.

Nebulous adj. 1. Lacking definition or definite content. 2. Lacking definite form or limits; vague. “The test results were nebulous and determined to be unusable.”

Exacerbate transitive verb.  To make more violent, bitter, or severe; to irritate or make worse. “The continued delays were greatly exacerbated by the lack of workers on the project.”

Ostensible adj.  Stated or appearing to be true, but not necessarily so. Being such in appearance, plausible rather than demonstrably true or real. “The ostensible purpose of the trip was for business.”

Disingenuous adj. Not straightforward or candid; insincere or calculating.  “It was disingenuous of her to claim she had no financial interest in the company.”