Equivocal adj. Open to more than one interpretation; ambiguous. Uncertain or questionable in nature. “Congress was equivocal on its domestic spending package.”

Audacious; Audacity [au·da·cious] adj. Showing a willingness to take risks. “An audacious attack on the company.” Showing an impudent lack of respect. “An audacious move.”

Obdurate adj. Stubbornly refusing to change one’s opinion or course of action. “Despite her plea, he remained obdurate.”

Sapid [sap·id] adj. Having a strong, pleasant taste; palatable. “The wine tasting was a most sapid event.” (of talk or writing) Pleasant or interesting.

Portent n. A sign or warning that something significant is likely to happen. “an occurrence of crucial portent.”

Virulent [vir·u·lent] adj. Extremely severe or harmful in its effects. Bitterly hostile or antagonistic; hateful. “Virulent criticism.”

Prescient; Prescience adj. Having or showing knowledge of events before they take place; foresight. “You should be prescient about choosing your employer.”

Affinity n. A spontaneous or natural liking or sympathy for someone or something. “He has an affinity for science fiction movies.”

Timorous adj. Showing or suffering from nervousness, fear, or a lack of confidence: “A timorous demeanor.”

Unctuous adj. (of a person) Excessively or ingratiatingly flattering. “Anxious to please in an unctuous way.”