present everywhere

"His ubiquitous influence was felt by all the family"

Synonyms:omnipresent, prevalent, pervasive, widespread

extremely large in number

"He was interrupted umpteen times"

Synonyms:countless, numerous, innumerate, manifold

"You'll feel better if you unbosom your sorrows to me"

Synonyms:disclose, divulge

strange or mysterious

Synonyms:mysterious, unnatural, spooky

excessively flattering

"His unctuous attitude landed him a great deal"

Synonyms:sycophancy, ingratiating, obsequious, fawning, servile, wheedling, blandishment, adulation, toady

to make someone less confident, less powerful, less likely to succeed, or to make something weaker

Synonyms:subvert, sabotage, weaken

(of a person or movement) awkward; clumsy

Synonyms:awkward, clumsy, ungraceful

disorderly and disruptive and not amenable to discipline or control

"Unruly behaviour"

Synonyms:disorderly, rowdy

undo or be undone after winding or being wound

Synonyms:unroll, uncoil

a violent or sudden change or disruption to something

"Major upheavals in the financial markets"

Synonyms:disruption, upset, disturbance, trouble, turbulence, disorder

Antonyms:stability

the final result of a series of events

"The upshot of their negotiations was a mutually beneficial agreement"

Synonyms:outcome, result, conclusion, consequence, reverberation

worried or nervous and not able to relax

"Don't get uptight about the exam - just do your best"

to guide or show someone to a place

"The attendant ushers the guests to their seats"

Synonyms:guide, escort, accompany

cause or mark the start of something new

to cease or hold without permission

"The minister usurped the throne after the king's death"

Synonyms:cease

waver between different opinions

"I vacillated between coding and govt. job"

Synonyms:dither, teeter, indecisive, falter

Antonyms:resolute

unpredictable or unexpected changes

"The vagaries of the weather made planning outdoor events difficult"

Synonyms:quirk, peculiar, oddity, eccentricity, caprice

Antonyms:consistency, stability, predictability

not clearly defined, understood, or seen

Antonyms:definite

"He was so vain that he always talked about how good he looked"

Synonyms:conceited, narcissist

Antonyms:humble

"A valedictory wave"

Synonyms:farewell, goodbye, leaving, parting

defeat

"He successfully vanquished his rival"

Synonyms:defeat, conquer, trounce, quell, crush, suppress, subjugate