pose, present, create, give rise to: Wild pigs pose a threat to the native plants of the Hawaiian islands.
assorted, various, varied, diverse: The assorted cultures of New York City are signs of its mixed population.
ruthlessly, without mercy, relentlessly, cruelly: European explorers ruthlessly took Native American land.
precarious, unstable, insecure, uncertain: The stock’s recent fall put investors in a precarious position.
converse, opposite, reverse: John and his brother are very different, and they often hold converse content.
vicinity, neighborhood, area: There are a lot of historical buildings in the vicinity of Buckingham Palace.
prodigious, massive, enormous: Beavers store prodigious amounts of food to survice the harsh winter.
incessantly, constantly, continously, persistently: Patton had to incessantly plead with Congress for equipment for his army.
appeal, plead, request, ask, beg: The students plead to the professor for more time to study for the exam.
steadfastly, firmly, solidly, resolutely: Einstein steadfastly believed that the universe was eternal and refused to consider the Big Bang theory plausible.
penchant, inclination, tendency, fondness, liking: Louis XIV’s penchant for spending without limits left France with huge debts.
incipient, initial, beginning: If diagnosed in its incipient stages, cancer is treatable in a large number of cases.
subject to, susceptible to, likely to: Many orchids are sensitive to cold and subject to the slightest changes in temperature.
deter, stop, preclude, prevent, inhibit: Slavery deterred the development of a just and equal society.
preclude, prevent, stop, hinder: According to Adam Smith, the feudal system precluded economic progress.
preclude, rule out, exclude: Sherlock Holmes always said that once you preclude all impossibilities, whatever is left is the answer.
roundabout, indirect, circuitous: Many commuters use roundabout routes to avoid traffic congestion.
dubious, suspected suspicous, distrustful, questionable, Joshph’s alibi seemed highly dubious, so the police took him in for questioning
eminent, distinguished, outstanding, prominent: Stephen Hawking is one of the most eminent physicals to have ever lived.
reckless, careless, heedless, inadvertent: Tom’s reckless driving caused the accident.
heed, attention, notice, caution: If Nancy had paid heed to the warning, she wouldn’t have fallen off the platform.
inadvertent, unintentionally, accidentally, unwittingly: Grace inadvertently deleted the accounting files from her computer.
dismiss, ignore, disregard: William Blacke’s poetry is famous today, but his contemporaries largely dismissed his work.