The adverb 断然 “categorically”
The adverb 断然 
is usually used in written speech.
This adverb is usually used in the following collocations:
断然否认
断然拒绝
is usually used in written speech.
This adverb is usually used in the following collocations:
断然否认
断然拒绝 Pay attention
We should state 断然 before the predicate.
Examples
他断然拒绝讨论此事
He categorically refused to discuss the matter
tā duànrán jùjué tǎolùn cǐshì
他一直断然否认这些指控
He categorically denied the allegations
tā yìzhí duànrán fǒurèn zhèxiē zhǐkòng
这家公司断然谢绝了记者采访
The company categorically refused to be interviewed
zhè jiā gōngsī duànrán xièjué le jìzhě cǎifǎng