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 comprehensible is "understandable.", the definition for moderate is "Tending toward the average.", and the definition for rehash is "To discuss again."

The definition for mediate is "To come between parties in order to reconcile." Used in a sentence: The diplomatic Henry was able to mediate between the quarreling sisters. The definition for apathetic is "showing little or no emotion.", the definition for promote is "To contribute to the growth or prosperity of.", and the definition for gruff is "Rough or stern in manner or speech."

The definition for corrosive is "Bitingly sarcastic." Used in a sentence: The cruel Estella's corrosive comments made Pip cry. The definition for buffer is "protective barrier.", the definition for procrastinate is "To put off intentionally.", and the definition for conduit is "Means for transmitting or distributing."

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 augment is "to make greater.", the definition for scapegoat is "Someone who bears the blame for others.", and the definition for heinous is "Shockingly evil."

The definition for diffident is "Lacking self–confidence." Used in a sentence: The diffident student never raised her hand in class, even when she knew the answer. The definition for epistolary is "contained or carried on in letters.", the definition for melodious is "Having a pleasing melody.", and the definition for rail is "To scold in harsh language."