The definition for futile is "Without purpose, completely ineffective." Used in a sentence: Arguing with Andrew is futile because he never changes his mind. The definition for pretentious is "making unjustified claims.", the definition for demean is "To lower status.", and the definition for placebo is "An inactive substance used in medical testing."

The definition for flaw is "An imperfection." Used in a sentence: The otherwise perfect diamond had a tiny flaw that reduced its value. The definition for rehash is "to discuss again.", the definition for derelict is "Abandoned.", and the definition for melodious is "Having a pleasing melody."

The definition for drub is "To defeat decisively." Used in a sentence: The powerful young boxer drubbed the longtime champion. The definition for appraise is "to evaluate the worth of.", the definition for recrimination is "A retaliatory accusation.", and the definition for inauspicious is "Not favorable."

The definition for revive is "To bring back to life." Used in a sentence: Hank tried to revive Clare's interest in the project, but her enthusiasm had expired. The definition for adversary is "one who opposes or resists.", the definition for gravity is "Importance, significance.", and the definition for regurgitate is "To pour out or throw back."

The definition for aerate is "To supply with air." Used in a sentence: Every spring, Soloman used his tiller to aerate the compact soil. The definition for melee is "a tumultuous fight among several people.", the definition for accentuate is "To emphasize.", and the definition for rehash is "To discuss again."