The definition for parity is "Equality." Used in a sentence: Hilda, to avoid squabbles, aimed for parity in the slices of birthday cake. The definition for catastrophic is "relating to extreme misfortune.", the definition for incumbent is "Necessary as a duty or responsibility.", and the definition for pathos is "Sympathetic pity."

The definition for futile is "Without purpose, completely ineffective." Used in a sentence: Arguing with Andrew is futile because he never changes his mind. The definition for iridescent is "having a lustrous or attractivve quality.", the definition for buffer is "Protective barrier.", and the definition for entangle is "To involve in trouble."

The definition for gargantuan is "Gigantic." Used in a sentence: The gargantuan monster towered over the ten–story bulding. The definition for colossal is "immense, enormous.", the definition for exasperation is "The state of being irritated.", and the definition for immoderate is "Beyond usual or proper limits."

The definition for pantomime is "Telling a story through gestures." Used in a sentence: The jealous actress called her understudy's performance a ridiculous pantomime. The definition for retroactive is "effective as of a prior time or condition.", the definition for celebrated is "Widely known, respected.", and the definition for manifest is "Obvious."

The definition for periodic is "Occurring at regular intervals." Used in a sentence: The periodic innterruptions of the cuckoo clock prevented Li from concentrating. The definition for proximity is "closeness.", the definition for iridescent is "Having a lustrous or attractivve quality.", and the definition for regurgitate is "To pour out or throw back."