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 exasperation is "The state of being irritated.", and the definition for mediate is "To come between parties in order to reconcile."

The definition for elate is "To fill with joy." Used in a sentence: It elated Margaret to be awarded first place in the science fair. The definition for finite is "having definite limits.", the definition for civility is "Politeness.", and the definition for foil is "One that enhances or underscores by contrast."

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 periodic is "occurring at regular intervals.", the definition for stern is "Harsh, severe.", and the definition for trove is "Valuable collection."

The definition for accessible is "Easy to reach or to approach." Used in a sentence: The introduction to the complex novel was, thankfully, written in clear accessible language. The definition for futile is "without purpose, completely ineffective.", the definition for corrective is "Intended to correct.", and the definition for impenitent is "Lacking remorse."

The definition for rehash is "To discuss again." Used in a sentence: "Sandra," said her mother, "I am tired of rehashing this same topic over and over." The definition for aerate is "to supply with air.", the definition for frugal is "Thrifty, cheap.", and the definition for incongruous is "Not harmonious, incompatible."