GETTING TO KNOW THE TOEFL
obliged
The representatives were compelled to vote in favor of the legislation despite their
personal opposition to it.
The lawyer's plea was made in a compelling manner.
formidable adj. difficult; causing worry or fear
adv. formidably Syn. overwhelming
Their formidable opponents gave no sign of weakness.
The man's voice echoed formidably throughout the hallway.
intrusive adj. the state of being inside or upon something
adj. intrusively when not desired to be there by others
v. intrude
n. intrusion Syn. annoying
n. intruder
The intrusive bacteria caused his condition to worsen.
The intrusion of the hazardous gas made it difficult to live in the house.
periodically adv. happening repeatedly, occurring at
adj. periodic regular intervals
adj. periodical * Something published at regular intervals
n
annaabi.ee 
