The definition for procrastinate is "To put off intentionally." Used in a sentence: Yvonne's father urged, "Don't procrastinate. Clean your room right away." The definition for ecstatic is "overwhelmingly emotional.", the definition for regurgitate is "To pour out or throw back.", and the definition for negate is "To make invalid."

The definition for curtail is "To make less." Used in a sentence: Doreen decided to curtail her spending after she bounced a check. The definition for untenable is "not able to be defended.", the definition for foil is "One that enhances or underscores by contrast.", and the definition for aerate is "To supply with air."

The definition for authoritarian is "Favoring absolute obedience to authority." Used in a sentence: Marco's authoritarian mother never allowed him to watch more than one hour of television a day. The definition for iridescent is "having a lustrous or attractivve quality.", the definition for civility is "Politeness.", and the definition for straddle is "To favor opposing sides."

The definition for aerate is "To supply with air." Used in a sentence: Every spring, Soloman used his tiller to aerate the compact soil. The definition for duplicity is "deceptive thought, speech, or action.", the definition for discern is "To recognize as separate as distinct.", and the definition for procrastinate is "To put off intentionally."

The definition for implausible is "Unbelievable." Used in a sentence: Claudia's implausible excuse failed to convince her teacher. The definition for abate is "become less in amount or intensity.", the definition for diffident is "Lacking self–confidence.", and the definition for entangle is "To involve in trouble."