The definition for incumbent is "Necessary as a duty or responsibility." Used in a sentence: It was incumbent on Jack to attend his father's retirement party. The definition for placebo is "an inactive substance used in medical testing.", the definition for stifle is "To repress or discourage.", and the definition for distortion is "The act of twisting out of shape."

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 combative is "eager to fight.", the definition for catastrophic is "Relating to extreme misfortune.", and the definition for clairvoyance is "Ability to see things beyond ordinary perception."

The definition for manifest is "Obvious." Used in a sentence: James finally made his affection manifest when he handed Jessica a red rose. The definition for stealth is "the act of moving secretly or unnoticed.", the definition for commemorate is "To mark by a ceremony.", and the definition for proximity is "Closeness."

The definition for discern is "To recognize as separate as distinct." Used in a sentence: The pastry connoisseur was able to discern Swiss from Belgian chocolate. The definition for mandate is "an official order or commission to do something.", the definition for frugal is "Thrifty, cheap.", and the definition for fragile is "Delicate."

The definition for accentuate is "To emphasize." Used in a sentence: Carla used red ribbons to accentuate the coppery tones in her hair. The definition for augment is "to make greater.", the definition for comprehensible is "Understandable.", and the definition for flaw is "An imperfection."