indubitably

American  

[in-doo-bi-tuh-blee, in-dyoo‐] / ɪnˈdu bɪ tə bli, ɪnˈdyu‐ /

adverb

1. in a way that is patently evident or certain; unquestionably; without doubt.

   A week at the spa has indubitably improved his health.

---

indubitably British  

/ ɪnˈdjuːbɪtəblɪ /

adverb

1. without doubt; certainly

---

Etymology

Origin of indubitably

First recorded in 1620–30; indubitable ( def. ) + -ly ( def. )

Example Sentences

For all of the Lennons’ optimism and encouragement, "One to One" makes it indubitably clear that dark clouds are on the couple’s horizon.

From Salon

The question will need to be answered by understanding the only subjectivity we are indubitably confident of: our own.

From Scientific American

In the process, they have created a stadium that does, indeed, feel indubitably SoCal — a place that is both indoors and out, a place where intimate experiences can be had amid the industrial scale.

From Los Angeles Times

And the lessons inherent in Starr's MasterClass make this point indubitably clear.

From Salon

“Here go the rankings,” someone else will say, and then indubitably, shamelessly, rank himself No. 1.

From New York Times