1. Virulent – extremely severe or harmful in its effects.
Synonyms: deadly, destructive, fatal, malignant, pernicious, baneful
Antonyms: harmless, healthful, helpful, wholesome, gentle
Usage: The firemen had to wear masks that would protect them from the virulent fumes.
2. Axiomatic – self-evident or unquestionable.
Synonyms: aphoristic, absolute, accepted, apothegmatic, fundamental
Antonyms: misunderstood, questionable, uncertain
Usage: Science teacher gets angry when students try to argue basic and axiomatic principles of science.
3. Clout – influence or power, especially in politics or business.
Synonyms: influence, prestige, sway, weight, authority
Antonyms: powerlessness
Usage: Ministers often use their clout to get what they want.
4. Dither – a state of flustered excitement or fear.
Synonyms: agitation, babble, confusion, flap, fluster
Antonyms: calm, peace, sense
Usage: The dithering of the politicians provided no leadership
5. Renegade – showing a desire to resist authority, control, or convention.
Synonyms: reactionary, apostate, backsliding, dissident, outlaw, rebellious
Antonyms: obedient, passive, submissive
Usage: The renegade soldiers decided to leave the base and go back home to their families.
6. Wrangle – a dispute or argument, typically one that is long and complicated.
Synonyms: altercation, bickering, brawl, brouhaha, disagreement
Antonyms: apparent, bright, brilliant, cheerful
Usage: An insurance wrangle is holding up compensation payments.
7. Foxed – deceived; tricked.
Synonyms: delude, dupe, hoodwink, pretend, bamboozle, bluff, chicane
Antonyms: be honest
Usage: Customers foxed as gold prices surge again.
8. Macabre – disturbing because concerned with or causing a fear of death.
Synonyms: : frightening, ghastly, ghoulish, grim, grisly, gruesome
Antonyms: cheerful, happy, pleasant, pleasing
Usage: In preparation for the sacrifice, thirteen members of the coven performed a macabre dance around the altar.
9. Boisterous – noisy, energetic, and cheerful.
Synonyms: clamorous, loud, rambunctious, raucous, riotous
Antonyms: calm, low, moderate, quiet
Usage: Your boisterous actions at church cannot be tolerated.
10. Gregarious – fond of company; sociable
Synonyms: affable, clubby, companionable, convivial, cordial
Antonyms: unfriendly, cold, cool, introverted
Usage: He was a popular and gregarious man