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 melee is "a tumultuous fight among several people.", the definition for buffer is "Protective barrier.", and the definition for demean is "To lower status."

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 revoke is "to cancel by taking back.", the definition for methodical is "Performed in an orderly manner.", and the definition for incumbent is "Necessary as a duty or responsibility."

The definition for defiant is "Showing bold resistance." Used in a sentence: The defiant toddler refused to leave the park. The definition for awe is "emotion combining dread and wonder.", the definition for disconcert is "To throw into confusion.", and the definition for nurture is "To further the development of."

The definition for gargantuan is "Gigantic." Used in a sentence: The gargantuan monster towered over the ten–story bulding. The definition for precept is "a general rule of action.", the definition for revive is "To bring back to life.", and the definition for fickle is "Lacking constancy, changeable."

The definition for trove is "Valuable collection." Used in a sentence: Walter's trove of vintage baseball cards was worth thousands of dollars. The definition for combative is "eager to fight.", the definition for pretentious is "Making unjustified claims.", and the definition for catastrophic is "Relating to extreme misfortune."