inadvertently

definition: 
Without intention; accidentally:
sentence: 
During a recent ultrasound, the young couple inadvertently learned something they’d planned to keep a surprise: the sex of their baby.
She doesn’t exclude the possibility that going back to right such wrongs might inadvertently set some other horrible chain of events into motion.
difficulty: 
easy
toefl frequency: 
2
toefl classification: 
adverb: 
inadvertently
adjective: 
inadvertent
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noun: 
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