下面为大家整理的是以字母O开头的SAT考试中常出现的难度大的词汇。掌握一定的SAT词汇是备考SAT考试的首要前提。所以，各位考生一定要多加重视词汇的积累，预祝各位考生考试成功。

obdurate

(adj.) unyielding to persuasion or moral influences (the obdurate old man refused to take pity on the kittens.)

obfuscate

(v.) to render incomprehensible (the detective did not want to answer the newspaperman’s questions, so he obfuscated the truth.)

oblique

(adj.) diverging from a straight line or course, not straightforward (martin’s oblique language confused those who listened to him.)

obsequious

(adj.) excessively compliant or submissive (mark acted like janet’s servant, obeying her every request in an obsequious manner.)

obstreperous

(adj.) noisy, unruly (billy’s obstreperous behavior prompted the librarian to ask him to leave the reading room.)

obtuse

(adj.) lacking quickness of sensibility or intellect (political opponents warned that the prime minister’s obtuse approach to foreign policy would embroil the nation in mindless war.)

odious

(adj.) instilling hatred or intense displeasure (mark was assigned the odious task of cleaning the cat’s litter box.)

officious

(adj.) offering one’s services when they are neither wanted nor needed (brenda resented allan’s officious behavior when he selected colors that might best improve her artwork.)

opulent

(adj.) characterized by rich abundance verging on ostentation (the opulent furnishings of the dictator’s private compound contrasted harshly with the meager accommodations of her subjects.)

ostensible

(adj.) appearing as such, seemingly (jack’s ostensible reason for driving was that airfare was too expensive, but in reality, he was afraid of flying.)

以上就是关于SAT考试超难词汇总结的全面内容，是以O开头的。各位考生可以作为备考SAT考试时的参考资料，希望对各位考生的SAT考试有所帮助。

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