The definition for periodic is "Occurring at regular intervals." Used in a sentence: The periodic innterruptions of the cuckoo clock prevented Li from concentrating. The definition for extol is "to praise highly.", the definition for incidental is "Minor.", and the definition for salvage is "To save from ruin."

The definition for procrastinate is "To put off intentionally." Used in a sentence: Yvonne's father urged, "Don't procrastinate. Clean your room right away." The definition for negate is "to make invalid.", the definition for redouble is "To make twice as great.", and the definition for advantageous is "Giving an advantage."

The definition for exasperation is "The state of being irritated." Used in a sentence: The longer Jorge waited in line at the ticket counter, the more his exasperation grew. The definition for plaudits is "enthusiastic approval.", the definition for epistolary is "Contained or carried on in letters.", and the definition for commemorate is "To mark by a ceremony."

The definition for moderate is "Tending toward the average." Used in a sentence: The best–selling writer was disappointed; his new novel was only a moderate success. The definition for pallid is "lacking color.", the definition for periodic is "Occurring at regular intervals.", and the definition for hedonism is "Belief that pleasure is the sole aim of life."

The definition for comparable is "Similar, equivalent." Used in a sentence: Helen will only accept something of comparable value for her ticket to the concert. The definition for intricate is "having complex and interrelated parts.", the definition for pathos is "Sympathetic pity.", and the definition for clairvoyance is "Ability to see things beyond ordinary perception."