The definition for oblivious is "Lacking awareness." Used in a sentence: Love–struck Charlie was oblivious to everyone but the object of his affection. The definition for promote is "to contribute to the growth or prosperity of.", the definition for insolence is "Boldness or rudeness.", and the definition for flaw is "An imperfection."

The definition for avian is "Relating to birds." Used in a sentence: The old man affectionately referred to pigeons as his "avian friends." The definition for oblivious is "lacking awareness.", the definition for epistolary is "Contained or carried on in letters.", and the definition for elusive is "Hard to grasp."

The definition for meticulous is "Extrememly careful regarding details." Used in a sentence: The meticulous detective found every shred of evidence at the crime scene. The definition for beneficial is "helpful.", the definition for foil is "One that enhances or underscores by contrast.", and the definition for impenitent is "Lacking remorse."

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 preclude is "to rule out in advance.", the definition for comparable is "Similar, equivalent.", and the definition for eloquent is "Fluent, expressive."

The definition for indecorous is "In bad taste." Used in a sentence: My parents banned Chad from our house because of his indecorous behavior at dinner. The definition for demean is "to lower status.", the definition for mundane is "Practical, ordinary.", and the definition for gravity is "Importance, significance."