The definition for melee is "A tumultuous fight among several people." Used in a sentence: After the game, a melee broke out between fans of the opposing teams. The definition for derivative is "lacking originality.", the definition for clarity is "Clearness.", and the definition for gargantuan is "Gigantic."

The definition for implausible is "Unbelievable." Used in a sentence: Claudia's implausible excuse failed to convince her teacher. The definition for belated is "past the normal or proper time.", the definition for appalling is "Inspiring dismay or disgust.", and the definition for oblivious is "Lacking awareness."

The definition for impenitent is "Lacking remorse." Used in a sentence: The impenitent criminal received a harsh penalty, but his remorseful accomplice was released. The definition for gargantuan is "gigantic.", the definition for cunning is "Showing clever insight.", and the definition for adversary is "One who opposes or resists."

The definition for commemorate is "To mark by a ceremony." Used in a sentence: Each year, the Franklins commemorate their anniversary by visiting the site of their first date. The definition for naive is "lacking worldy wisdom.", the definition for accessible is "Easy to reach or to approach.", and the definition for clarity is "Clearness."

The definition for retroactive is "effective as of a prior time or condition." Used in a sentence: The retroactive law made even past infractions punishable. The definition for moderate is "tending toward the average.", the definition for distortion is "The act of twisting out of shape.", and the definition for gargantuan is "Gigantic."