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 interminable is "never ending, or seemingly endless.", the definition for periodic is "Occurring at regular intervals.", and the definition for prudent is "Marked by wisdom, shrewd."

The definition for foil is "One that enhances or underscores by contrast." Used in a sentence: The sweet cookie was a perfect foil to the sour lemon sorbet. The definition for obnoxious is "highly offensive.", the definition for egotist is "Self–important person.", and the definition for induce is "To influence or cause."

The definition for turmoil is "Extreme confusion, agitation." Used in a sentence: The windstorm caused such turmoil in the lake that the sailboat capsized. The definition for untenable is "not able to be defended.", the definition for trove is "Valuable collection.", and the definition for exception is "A case to which the rule does not apply."

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 epitaph is "brief statement honoring a dead person.", the definition for eloquent is "Fluent, expressive.", and the definition for beneficial is "Helpful."

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 fickle is "lacking constancy, changeable.", the definition for condone is "To treat as acceptable.", and the definition for pallid is "Lacking color."