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 extant is "currently existing.", the definition for conduit is "Means for transmitting or distributing.", and the definition for ploy is "A contrived plan."

The definition for comparable is "Similar, equivalent." Used in a sentence: Helen will only accept something of comparable value for her ticket to the concert. The definition for regurgitate is "to pour out or throw back.", the definition for archetypal is "Characteristic of the original model or perfect example.", and the definition for corrective is "Intended to correct."

The definition for incisive is "Impressively direct and decisive." Used in a sentence: Samir's incisive leadership made him the natural choice for president of the company. The definition for clarity is "clearness.", the definition for insinuate is "To suggest indirectly.", and the definition for pantomime is "Telling a story through gestures."

The definition for opportune is "Suitable or convenient." Used in a sentence: Quan stepped onto the platform at the most opportune time, just as the train pulled in. The definition for inviolable is "secure from assault of trespass.", the definition for impenitent is "Lacking remorse.", and the definition for promote is "To contribute to the growth or prosperity of."

The definition for combustion is "Act of burning." Used in a sentence: Campers must use fire with great caution to prevent combustion of the parched brush. The definition for abate is "become less in amount or intensity.", the definition for accessible is "Easy to reach or to approach.", and the definition for exalt is "To elevate by praise."