The definition for incumbent is "Necessary as a duty or responsibility." Used in a sentence: It was incumbent on Jack to attend his father's retirement party. The definition for intricate is "having complex and interrelated parts.", the definition for placebo is "An inactive substance used in medical testing.", and the definition for lurid is "Causing horror, shocking."

The definition for stealth is "The act of moving secretly or unnoticed." Used in a sentence: The burglar took the ring by stealth, slipping it from the sleeping woman's finger. The definition for censure is "to find fault with.", the definition for aerate is "To supply with air.", and the definition for appalling is "Inspiring dismay or disgust."

The definition for implausible is "Unbelievable." Used in a sentence: Claudia's implausible excuse failed to convince her teacher. The definition for revoke is "to cancel by taking back.", the definition for pathos is "Sympathetic pity.", and the definition for redouble is "To make twice as great."

The definition for melee is "A tumultuous fight among several people." Used in a sentence: After the game, a melee broke out between fans of the opposing teams. The definition for mandate is "an official order or commission to do something.", the definition for clarity is "Clearness.", and the definition for refurbish is "To brighten or freshen."

The definition for combative is "Eager to fight." Used in a sentence: The teacher suggested the combative student channel his aggression into boxing. The definition for foil is "one that enhances or underscores by contrast.", the definition for pallid is "Lacking color.", and the definition for disdain is "Feeling of contempt."