The definition for flaw is "An imperfection." Used in a sentence: The otherwise perfect diamond had a tiny flaw that reduced its value. The definition for surplus is "excess.", the definition for heinous is "Shockingly evil.", and the definition for augment is "To make greater."

The definition for drab is "Dull, monotonous." Used in a sentence: The drab winter scene made Keisha long for the vibrant colors of spring. The definition for iridescent is "having a lustrous or attractivve quality.", the definition for onset is "Beginning.", and the definition for garish is "Offensively bright."

The definition for trove is "Valuable collection." Used in a sentence: Walter's trove of vintage baseball cards was worth thousands of dollars. The definition for foil is "one that enhances or underscores by contrast.", the definition for insinuate is "To suggest indirectly.", and the definition for trove is "Valuable collection."

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 impenitent is "lacking remorse.", the definition for flagrant is "Noticeably offensive.", and the definition for combustion is "Act of burning."

The definition for dubious is "Questionable." Used in a sentence: Karl found Kevin's claim that he was sick dubious, as he had just seen him playing football. The definition for heinous is "shockingly evil.", the definition for interminable is "Never ending, or seemingly endless.", and the definition for implement is "To carry out or accomplish."