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 combustion is "act of burning.", the definition for intricate is "Having complex and interrelated parts.", and the definition for aesthete is "Person having or affecting sensitivity to beauty."

The definition for iridescent is "Having a lustrous or attractivve quality." Used in a sentence: The movie star's iridescent presence charmed even the hardened reporter. The definition for retroactive is "effective as of a prior time or condition.", the definition for fragile is "Delicate.", and the definition for heed is "To pay attention to."

The definition for disdain is "Feeling of contempt." Used in a sentence: The arrogant writer did not hide his disdain for his uneducated dinner companion. The definition for corroborate is "to support with evidence.", the definition for liability is "A person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage.", and the definition for extol is "To praise highly."

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 refurbish is "to brighten or freshen.", the definition for turpitude is "Essential baseness, depravity.", and the definition for trove is "Valuable collection."

The definition for refurbish is "To brighten or freshen." Used in a sentence: Leeanne cleaned and mended all weekend to refurbish the shabby apartment. The definition for benefactor is "one who offers financial help.", the definition for mediate is "To come between parties in order to reconcile.", and the definition for implement is "To carry out or accomplish."