The definition for placebo is "An inactive substance used in medical testing." Used in a sentence: Tom, who had taken the placebo, found that his allergy symptoms did not go away. The definition for archaic is "characteristic of an earlier time.", the definition for finite is "Having definite limits.", and the definition for raucous is "Noisy, rowdy."

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 discern is "to recognize as separate as distinct.", the definition for conduit is "Means for transmitting or distributing.", and the definition for composed is "Calm."

The definition for plaudits is "Enthusiastic approval." Used in a sentence: Allison's painting met with plaudits from the critics, who had dismissed her earlier work. The definition for brandish is "to shake or wave menacingly.", the definition for oblivious is "Lacking awareness.", and the definition for gruff is "Rough or stern in manner or speech."

The definition for dubious is "Questionable." Used in a sentence: Karl found Kevin's claim that he was sick dubious, as he had just seen him playing football. The definition for foil is "one that enhances or underscores by contrast.", the definition for ethical is "Conforming to accepted standards.", and the definition for insinuate is "To suggest indirectly."

The definition for trove is "Valuable collection." Used in a sentence: Walter's trove of vintage baseball cards was worth thousands of dollars. The definition for proximity is "closeness.", the definition for combative is "Eager to fight.", and the definition for duplicity is "Deceptive thought, speech, or action."