Volatile {Ans: Unstable, unpredictable, hot-tempered}Glower {Ans: To look angrily; to glare at someone}Prerequisite {Ans: A condition that needs to be fulfilled before another step or action can be taken}Relinquished {Ans: Gave-up, handed over, let go}Forgo {Ans: To relinquish, to miss, to give up on something}Malady {Ans: Illness}Haughty {Ans: Being full of oneself, feeling self important; being arrogant}Staunch {Ans: Be loyal, dependable, unfaltering}Listless {Ans: Not caring, indifferent; without energy}Meticulous {Ans: To be extremely careful with details, thorough, and precise}Provisional {Ans: Temporary, conditional}Reticent {Ans: Reserved, silent, hesitant}Supplant {Ans: To take the place of; to remove something in order to replace it}Cumbersome {Ans: Unwieldy or awkward, clumsy}Frivolous {Ans: Silly, giddy, of little value}Vindictive {Ans: Spiteful, revengeful, cruel, malicious}De facto {Ans: Latin phrase that means something that exists but is not officially approved or recognized}Hearsay {Ans: Based on unsubstantiated statements or information, or on gossip}Transgression {Ans: A crime, an offense}Prudent {Ans: To exercise good judgement}