The definition for buffer is "Protective barrier." Used in a sentence: The dense trees acted as a buffer against the heavy rain. The definition for ethical is "conforming to accepted standards.", the definition for serenity is "Calmness.", and the definition for buffoonery is "Foolish behavior."

The definition for ramble is "To wander, physically or in language." Used in a sentence: Professor Tan rambled during his lectures, frequently straying from the subject. The definition for refurbish is "to brighten or freshen.", the definition for revoke is "To cancel by taking back.", and the definition for fraud is "Trick."

The definition for meticulous is "Extrememly careful regarding details." Used in a sentence: The meticulous detective found every shred of evidence at the crime scene. The definition for discern is "to recognize as separate as distinct.", the definition for buffer is "Protective barrier.", and the definition for equitable is "Fair and equal."

The definition for censure is "To find fault with." Used in a sentence: The critical teacher was quick to censure her students for even small mistakes. The definition for corrective is "intended to correct.", the definition for straddle is "To favor opposing sides.", and the definition for benevolent is "Kind, helpful."

The definition for avian is "Relating to birds." Used in a sentence: The old man affectionately referred to pigeons as his "avian friends." The definition for unscrupulous is "lacking principles.", the definition for raucous is "Noisy, rowdy.", and the definition for dubious is "Questionable."