The impact of climate change is indubitably evident.
indubitably certain
Frequency:
50
%
The outcome of the experiment was indubitably certain.
indubitably correct
Frequency:
45
%
His answer was indubitably correct.
Idiomatic Expressions for indubitably
Phrase: indubitably clear
Meaning: completely clear; unquestionably evident
Usage: The instructions for assembling the furniture were indubitably clear, making the process easy.