Tuesday, August 14, 2012

< V > TOEFL Vocabulary (151)

Obligate (verb) 
to impose as a duty or moral obligation 
In different social situations, we are obligated to adjust our use of words to fit the

Oblong (adjective) 
deviating from a square, circular, or spherical form by elongation in one dimension 
The Earth was distorted into an oblong shape before it gravitationally rebounded
Obnoxious (adjective) 
so objectionable as to bring out a feeling of extreme dislike
People with obnoxious personalities have difficulty in finding long-lasting friendships

Obstacle (noun) 
something that impedes or prevents entry or passage
Concerning the method of natural association, it is learned when someone is faced with a
memory obstacle that reminds him of something in the past, he can use that image.
Occurrence (noun) 
something significant that happens
Landslides are a common occurrence in the Santa Cruz Mountains. 

Offensive (noun) 
the act of attacking
Realizing that he could not wait for another Federal advance, Johnston began
concentrating forces at Corinth, Mississippi, where he hoped to take the offensive and
destroy General Grant's Army of the Tennessee before it could be joined by General Don
Carlos Buell's Army of the Ohio.

Omen (noun) 
an occurrence or phenomenon believed to portend a future event 
In the decade before the Spanish arrived in Mexico, Aztec Emperor Montezuma II and his
people were filled with a sense of foreboding. A series of evil omens had foretold of
calamities to come. A fiery comet crossed the sky. The temple of Huitzilopochtli, the god of
war, burst into flames. The Lake of Mexico boiled and rose, flooding into houses. 

Ongoing (adjective) 
actually in process, continuing, progressing
One should never trust a single information source–stability evaluation is an ongoing

Onset (noun) 
the initial stage of a developmental process; the act of attacking
Type II diabetes, which is adult onset diabetes, is reduced by regular exercise because it
improves the regulation of blood glucose.

Opt (verb) 
to make a choice; especially : to decide in favor of something
Home users who want an inexpensive system with decent graphics should opt for one of
the older-generation NVidia GeForce3 cards.

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