The definition for incisive is "Impressively direct and decisive." Used in a sentence: Samir's incisive leadership made him the natural choice for president of the company. The definition for egotist is "self–important person.", the definition for incumbent is "Necessary as a duty or responsibility.", and the definition for preclude is "To rule out in advance."

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 augment is "to make greater.", the definition for diffident is "Lacking self–confidence.", and the definition for polarize is "To break up into opposing groups."

The definition for advantageous is "Giving an advantage." Used in a sentence: The house's location in the best school district was advantageous to the seller. The definition for buffer is "protective barrier.", the definition for comparable is "Similar, equivalent.", and the definition for discern is "To recognize as separate as distinct."

The definition for revoke is "To cancel by taking back." Used in a sentence: After Kal's father revoked his allowance, he had no money for the movies. The definition for exalt is "to elevate by praise.", the definition for catastrophic is "Relating to extreme misfortune.", and the definition for archetypal is "Characteristic of the original model or perfect example."

The definition for mediate is "To come between parties in order to reconcile." Used in a sentence: The diplomatic Henry was able to mediate between the quarreling sisters. The definition for salvage is "to save from ruin.", the definition for appraise is "To evaluate the worth of.", and the definition for penurious is "Extrememly stingy."