# doubtlessly

> English word · Adverb · frequency rank #85,191

## Definitions
1. Without question; indubitably.
2. Without feeling doubt, without misgivings.

## Etymology
From Middle English doutelesly, dowtelesly, equivalent to doubtless + -ly.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/doubtlessly