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 fickle is "lacking constancy, changeable.", the definition for corroborate is "To support with evidence.", and the definition for composed is "Calm."

The definition for impenitent is "Lacking remorse." Used in a sentence: The impenitent criminal received a harsh penalty, but his remorseful accomplice was released. The definition for gravity is "importance, significance.", the definition for refurbish is "To brighten or freshen.", and the definition for duplicity is "Deceptive thought, speech, or action."

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 clairvoyance is "ability to see things beyond ordinary perception.", the definition for hedonism is "Belief that pleasure is the sole aim of life.", and the definition for ecstatic is "Overwhelmingly emotional."

The definition for insinuate is "To suggest indirectly." Used in a sentence: Sinead, who did not like confrontation, insinuated that Beth was lying. The definition for rhapsody is "state of great happiness.", the definition for regale is "To amuse.", and the definition for unscrupulous is "Lacking principles."

The definition for ethical is "Conforming to accepted standards." Used in a sentence: Mary did the ethical thing and turned in the diamond necklace she found. The definition for inflammatory is "tending to excite anger.", the definition for periodic is "Occurring at regular intervals.", and the definition for incongruous is "Not harmonious, incompatible."