The definition for avian is "Relating to birds." Used in a sentence: The old man affectionately referred to pigeons as his "avian friends." The definition for opportune is "suitable or convenient.", the definition for negate is "To make invalid.", and the definition for revoke is "To cancel by taking back."

The definition for obnoxious is "Highly offensive." Used in a sentence: The manager asked the obnoxious diner to leave the restaurant. The definition for composed is "calm.", the definition for epitaph is "Brief statement honoring a dead person.", and the definition for flaunt is "To display showily."

The definition for pretentious is "Making unjustified claims." Used in a sentence: The pretentious boy said that he was the fastest runner, but he finished last in the race. The definition for authoritarian is "favoring absolute obedience to authority.", the definition for buffer is "Protective barrier.", and the definition for benefactor is "One who offers financial help."

The definition for ramble is "To wander, physically or in language." Used in a sentence: Professor Tan rambled during his lectures, frequently straying from the subject. The definition for perception is "capacity for seeing or understanding.", the definition for flourish is "To make bold, sweeping gestures.", and the definition for benefactor is "One who offers financial help."

The definition for comprehensible is "Understandable." Used in a sentence: Shannon spoke slowly so her directions would be comprehensible to her foreign visitor. The definition for inviolable is "secure from assault of trespass.", the definition for incumbent is "Necessary as a duty or responsibility.", and the definition for archetypal is "Characteristic of the original model or perfect example."