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 aerate is "to supply with air.", the definition for stealth is "The act of moving secretly or unnoticed.", and the definition for clarity is "Clearness."

The definition for heed is "To pay attention to." Used in a sentence: "Heed my advice," the fortuneteller warned Sebastian when he tried to ignore her prophecy. The definition for placebo is "an inactive substance used in medical testing.", the definition for mandate is "An official order or commission to do something.", and the definition for clarity is "Clearness."

The definition for benevolent is "Kind, helpful." Used in a sentence: Sherman revealed his benevolent side when he offered to help Carter with his homework. The definition for incumbent is "necessary as a duty or responsibility.", the definition for avian is "Relating to birds.", and the definition for celebrated is "Widely known, respected."

The definition for duplicity is "Deceptive thought, speech, or action." Used in a sentence: The life of an undercover detective is filed with necessary duplicity. The definition for penurious is "extrememly stingy.", the definition for flagrant is "Noticeably offensive.", and the definition for conduit is "Means for transmitting or distributing."

The definition for eloquent is "Fluent, expressive." Used in a sentence: Kim, an eloquent speaker, was the best choice to make the presentation for the group. The definition for archetypal is "characteristic of the original model or perfect example.", the definition for servile is "Fearfully submissive.", and the definition for punctual is "On time."