The definition for dubious is "Questionable." Used in a sentence: Karl found Kevin's claim that he was sick dubious, as he had just seen him playing football. The definition for polarize is "to break up into opposing groups.", the definition for camaraderie is "Spirit of friendship.", and the definition for sociable is "Inclined to seek companionship."

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 obnoxious is "highly offensive.", the definition for apathetic is "Showing little or no emotion.", and the definition for benevolent is "Kind, helpful."

The definition for iridescent is "Having a lustrous or attractivve quality." Used in a sentence: The movie star's iridescent presence charmed even the hardened reporter. The definition for pantomime is "telling a story through gestures.", the definition for gargantuan is "Gigantic.", and the definition for intricate is "Having complex and interrelated parts."

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 pretense is "false intention or purpose.", the definition for rehash is "To discuss again.", and the definition for trove is "Valuable collection."

The definition for manifest is "Obvious." Used in a sentence: James finally made his affection manifest when he handed Jessica a red rose. The definition for indecorous is "in bad taste.", the definition for surplus is "Excess.", and the definition for perception is "Capacity for seeing or understanding."