1. Innate – inborn; natural, originating in the mind.
Synonyms: inborn, natural, inbred, congenital, inherent, intrinsic, instinctive, intuitive, spontaneous, unlearned, untaught; hereditary.
Antonyms: stupid, unintelligent, inheritable, heritable
Sentence Usage: Golf requires athletic and innate talent
2. Pernicious – having a harmful effect, especially in a gradual or subtle way.
Synonyms: harmful, destructive, injurious, hurtful, detrimental, deleterious, dangerous, adverse, inimical, unhealthy, unfavourable, bad, evil, baleful, wicked, malign, malevolent, malignant, noxious, poisonous, cancerous,
Antonyms: harmless, innocuous
Sentence Usage: All-party meet opposes ‘pernicious Maoist doctrine’
3. Burgeon – begin to grow or increase rapidly; flourish.
Synonyms: grow rapidly, increase rapidly/exponentially, expand, spring up, shoot up, swell, explode, boom, mushroom, proliferate, snowball, multiply.
Antonyms: Decline, decrease, die, diminish, fade, lessen, lose
Sentence Usage: What one saves in the first few years of starting a career burgeons into a massive amount over the next 25-30 years
4. Emanation – something which originates or issues from a source.
Synonyms: product, consequence, result, fruit; corollary, concomitant, by-product, side effect.
Antonyms: ascent, rising, emanation, acclivity, wage increase, forward motion, progress, hike, rising slope, progression, ascending.
Sentence Usage: samples for gas chromatographic examination of the sediment for possible indications of natural gas emanation
5. Befuddle – cause to become unable to think clearly.
Synonyms: confused, muddled, addled, bewildered, disoriented, disorientated, all at sea, mixed up, fazed, perplexed.
Antonyms: clarify, clear up, enlighten, explain, explicate
Sentence Usage: Analysts and industry observers were befuddled how exactly the Uber-Didi bonhomie would play out in India.
6. Efface – erase (a mark) from a surface, make oneself appear insignificant
Synonyms: efface, rub out, score out, obliterate, wipe off, hide, kill, wipe out, erase, obscure, veil, blot out
Antonyms: approve, confirm, enact, enforce, establish, maintain, perpetuate, record, reenact, sustain, uphold, write
Sentence Usage: If the wetlands are effaced, the loss in food supply would be the least.
7. Deface – spoil the surface or appearance of (something), for example by drawing or writing on it
Synonyms: vandalize, disfigure, mar, spoil, ruin, deform, sully, tarnish, damage; injure.
Antonyms: adorn, beautify, bedeck, deck, decorate, embellish, garnish, gild, illustrate, ornament
Sentence usage: Pakistan hacker defaced Canara Bank site
8. Couth – cultured, good manners, refined, and well mannered.
Synonyms: mature, practical, refined, worldly, bored, citified, cool, cultivated, disenchanted, disillusioned, experienced, jaded,
Sentence Usage: Sending her flowers would be a very couth thing to do.
9. Paucity – the presence of something in only small or insufficient quantities or amounts.
Synonyms: crunch, dearth, deficit, drought, failure, famine, inadequacy,
Antonyms: sufficiency, abundance, enough, plenty
Sentence Usage: The PMG office was able to exchange only Rs 1.5 crore due to paucity of funds.
10. Pester – trouble or annoy (someone) with frequent or persistent requests or interruptions.
Synonyms: badger, hound, annoy, bother, harass, trouble, plague, irritate, irk, chivvy, keep after; persecute, torment, molest, bedevil, besiege, harry, worry, beleaguer, nag.
Antonyms: delight, make happy, please, aid, appease, assist, calm, comfort
Sentence Usage: The logic goes that children absorb the ads and then pester their parents to buy the same.