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 insolence is "boldness or rudeness.", the definition for pallid is "Lacking color.", and the definition for turpitude is "Essential baseness, depravity."

The definition for interminable is "Never ending, or seemingly endless." Used in a sentence: The impatient Zoe found the longwinded lecture interminable. The definition for commemorate is "to mark by a ceremony.", the definition for catastrophic is "Relating to extreme misfortune.", and the definition for heed is "To pay attention to."

The definition for inviolable is "Secure from assault of trespass." Used in a sentence: Situated on a mountain, with sixteen–foot walls, the castle was inviolable. The definition for meticulous is "extrememly careful regarding details.", the definition for extol is "To praise highly.", and the definition for lenient is "Mild or tolerant."

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 iridescent is "having a lustrous or attractivve quality.", the definition for pathos is "Sympathetic pity.", and the definition for incidental is "Minor."

The definition for composed is "Calm." Used in a sentence: Although her stomach was in knots, the actress appeared perfectly composed when she took the stage. The definition for drub is "to defeat decisively.", the definition for incumbent is "Necessary as a duty or responsibility.", and the definition for disconcert is "To throw into confusion."