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 exalt is "to elevate by praise.", the definition for onset is "Beginning.", and the definition for drub is "To defeat decisively."

The definition for distortion is "The act of twisting out of shape." Used in a sentence: The story about the actress in the gossip column was a distortion of the truth. The definition for comprehensible is "understandable.", the definition for prune is "To reduce by removing excess.", and the definition for solace is "Source of consolation."

The definition for aerate is "To supply with air." Used in a sentence: Every spring, Soloman used his tiller to aerate the compact soil. The definition for ethical is "conforming to accepted standards.", the definition for meticulous is "Extrememly careful regarding details.", and the definition for gravity is "Importance, significance."

The definition for appalling is "Inspiring dismay or disgust." Used in a sentence: Hector found his roommate's habit of leaving his dirty socks on the floor appalling. The definition for implausible is "unbelievable.", the definition for opportune is "Suitable or convenient.", and the definition for avian is "Relating to birds."

The definition for belated is "Past the normal or proper time." Used in a sentence: Even though I forgot his birthday, I hoe my father accepts my belated card. The definition for periodic is "occurring at regular intervals.", the definition for promote is "To contribute to the growth or prosperity of.", and the definition for stern is "Harsh, severe."