The definition for incumbent is "Necessary as a duty or responsibility." Used in a sentence: It was incumbent on Jack to attend his father's retirement party. The definition for combustion is "act of burning.", the definition for melodious is "Having a pleasing melody.", and the definition for drab is "Dull, monotonous."

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 impenitent is "lacking remorse.", the definition for precept is "A general rule of action.", and the definition for eulogy is "Speech or writing in praise of deceased."

The definition for camaraderie is "Spirit of friendship." Used in a sentence: The manager hoped the retreat would increase the camaraderie among the feuding workers. The definition for frugal is "thrifty, cheap.", the definition for epitaph is "Brief statement honoring a dead person.", and the definition for extant is "Currently existing."

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 rhapsody is "state of great happiness.", the definition for plaudits is "Enthusiastic approval.", and the definition for melodious is "Having a pleasing melody."

The definition for pomp is "Showy display." Used in a sentence: Jan couldn't help enjoying the pomp of the elaborate wedding ceremony. The definition for mandate is "an official order or commission to do something.", the definition for recrimination is "A retaliatory accusation.", and the definition for augment is "To make greater."