unquestionably

Definition of Unquestionably in English :

1. unimpeachably, unquestionably

without question

Example Sentences:
'Fred Winter is unquestionably the jockey to follow'
'they hired unimpeachably first-rate faculty members'

without question and beyond doubt

Example Sentences:
'it was decidedly too expensive'
'she told him off in spades'
'by all odds they should win'

WordNet Lexical Database for English. Princeton University. 2010.

Unquestionably

adverb

1.

indisputably; definitely

an unquestionably great club

2. (sentence modifier)

without a doubt; certainly

unquestionably there were costs incurred

adj.

Beyond question or doubt. See Synonyms at authentic.