Apoplectic adj. Overcome with anger; extremely indignant. “He showed apoplectic rage.”

Serendipity; Serendipitous n. The faculty of making fortunate discoveries by accident. “A fortunate stroke of serendipity.”

Overt adj. Done or shown openly; plainly or readily apparent, not secret or hidden. “Overt hostility.”

Intrinsic [in·trin·sic] adj. Belonging naturally; essential. “Intrinsic stock value.”

Confluence n. The act or process of merging. A flowing together of two or more streams. “A fortunate confluence of factors led to his success.”

Formidable adj. Inspiring fear or respect through being impressively powerful, large, or capable. “A formidable opponent.”

Obfuscate v. Render obscure, unclear, or unintelligible. Bewilder (someone). “The eclipse will obfuscate the sun’s light.”

Trepidation n. A feeling of fear or agitation about something that may or may not actually happen. “He entered the cave with considerable trepidation.”

Egress n. The action of going out of or leaving a place. “The company’s egress procedures.”

Abrogate v. Repeal or do away with a law, right, or agreement. “To abrogate a law.”