The definition for beneficial is "Helpful." Used in a sentence: there is no doubt that eating vegetables is beneficial to one's health. The definition for fickle is "lacking constancy, changeable.", the definition for diffident is "Lacking self–confidence.", and the definition for flagrant is "Noticeably offensive."

The definition for melodious is "Having a pleasing melody." Used in a sentence: The melodious sounds of the symphony soothed Tim after his trying day. The definition for authoritarian is "favoring absolute obedience to authority.", the definition for meticulous is "Extrememly careful regarding details.", and the definition for augment is "To make greater."

The definition for catastrophic is "Relating to extreme misfortune." Used in a sentence: The effects of the massive hurricane were catastrophic. The definition for condone is "to treat as acceptable.", the definition for beneficial is "Helpful.", and the definition for appalling is "Inspiring dismay or disgust."

The definition for discern is "To recognize as separate as distinct." Used in a sentence: The pastry connoisseur was able to discern Swiss from Belgian chocolate. The definition for duplicity is "deceptive thought, speech, or action.", the definition for interminable is "Never ending, or seemingly endless.", and the definition for obnoxious is "Highly offensive."

The definition for straddle is "To favor opposing sides." Used in a sentence: Kia straddled the issue, not wanting to say whether James or Tara was right. The definition for plaudits is "enthusiastic approval.", the definition for grandiose is "With an affectation of grandeur.", and the definition for heinous is "Shockingly evil."