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.

Erudite

• Meaning: Having or showing great knowledge.

• Synonyms: Learned, scholarly, knowledgeable.

• Antonyms: Ignorant, uneducated, uninformed.

• Usage: The professor’s erudite lecture impressed the students.

Vacillate

• Meaning: To waver between different opinions or actions.

• Synonyms: Hesitate, waver, fluctuate.

• Antonyms: Decide, settle, resolve.

• Usage: She vacillated between pursuing a career in law or medicine.

Loquacious

• Meaning: Tending to talk a great deal.

• Synonyms: Talkative, garrulous, chatty.

• Antonyms: Reticent, silent, taciturn.

• Usage: His loquacious nature made him popular at social gatherings.

Reticent

• Meaning: Not revealing one’s thoughts or feelings readily.

• Synonyms: Reserved, withdrawn, taciturn.

• Antonyms: Communicative, open, loquacious.

• Usage: She was reticent about her plans for the future.

Sanguine

• Meaning: Optimistic or positive, especially in a difficult situation.

• Synonyms: Optimistic, hopeful, confident.

• Antonyms: Pessimistic, gloomy, doubtful.

• Usage: He remained sanguine despite the challenges he faced.

Austere

• Meaning: Severe or strict in manner, attitude, or appearance.

• Synonyms: Stern, harsh, rigorous.

• Antonyms: Lenient, indulgent, luxurious.

• Usage: The monk’s austere lifestyle included minimal possessions and simple meals.