Ameliorate Meaning: To make something better or improve. Synonyms: Improve, enhance, upgrade. Antonyms: Worsen, deteriorate, degrade. Usage: The new policies aim to ameliorate living conditions in the city. Ostensible Meaning: Appearing to be true but not necessarily so. Synonyms: Apparent, supposed, alleged. Antonyms: Genuine, real, authentic. Usage: The ostensible reason for his visit was to see a friend, but he had other motives. Juxtapose Meaning: To place side by side for comparison. Synonyms: Compare, contrast, appose. Antonyms: Separate, divide, part. Usage: The artist juxtaposed vibrant colors against dull backgrounds. Ubiquitous Meaning: Present or appearing everywhere. Synonyms: Omnipresent, pervasive, universal. Antonyms: Rare, scarce, uncommon. Usage: Smartphones have become ubiquitous in today’s society.…