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 turmoil is "extreme confusion, agitation.", the definition for recrimination is "A retaliatory accusation.", and the definition for melee is "A tumultuous fight among several people."

The definition for placebo is "An inactive substance used in medical testing." Used in a sentence: Tom, who had taken the placebo, found that his allergy symptoms did not go away. The definition for flagrant is "noticeably offensive.", the definition for ecstatic is "Overwhelmingly emotional.", and the definition for garish is "Offensively bright."

The definition for induce is "To influence or cause." Used in a sentence: The loud blast of the cannon induced an avalanche. The definition for inauspicious is "not favorable.", the definition for ramble is "To wander, physically or in language.", and the definition for colossal is "Immense, enormous."

The definition for fickle is "Lacking constancy, changeable." Used in a sentence: The fickle Senji had a new best friend every month. The definition for diffident is "lacking self–confidence.", the definition for inflammatory is "Tending to excite anger.", and the definition for buffoonery is "Foolish behavior."

The definition for ramble is "To wander, physically or in language." Used in a sentence: Professor Tan rambled during his lectures, frequently straying from the subject. The definition for discern is "to recognize as separate as distinct.", the definition for immoderate is "Beyond usual or proper limits.", and the definition for iridescent is "Having a lustrous or attractivve quality."