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 exception is "a case to which the rule does not apply.", the definition for defiant is "Showing bold resistance.", and the definition for beneficial is "Helpful."

The definition for methodical is "Performed in an orderly manner." Used in a sentence: Oscar's methodical approach exasperated his free–spirited friend Ben. The definition for interminable is "never ending, or seemingly endless.", the definition for surplus is "Excess.", and the definition for diffident is "Lacking self–confidence."

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 benevolent is "kind, helpful.", the definition for inauspicious is "Not favorable.", and the definition for prudent is "Marked by wisdom, shrewd."

The definition for extol is "To praise highly." Used in a sentence: The statesman extolled the ambassador who single–handedly negotiated the peace treaty. The definition for gruff is "rough or stern in manner or speech.", the definition for derivative is "Lacking originality.", and the definition for incongruous is "Not harmonious, incompatible."

The definition for supple is "Flexible." Used in a sentence: The supple leather coat draped like soft cloth around her shoulders. The definition for comprehensible is "understandable.", the definition for corrective is "Intended to correct.", and the definition for dubious is "Questionable."