briefly

definition: 
for a short time
sentence: 
Sleep apnea is a chronic condition in which breathing is briefly but repeatedly interrupted throughout sleep.
difficulty: 
very easy
toefl frequency: 
2
toefl classification: 
adverb: 
briefly
adjective: 
brief
adverb sentence: 
adjective sentence: 
Solar eclipses are brief moments when the Earth and Moon cross the Sun's fixed position in the solar system.
verb: 
verb sentence: 
noun: 
brievity
noun sentence: