adv
doubtlessly
Doubtlessly (adv) means Certainly, with no doubt at all.
adv
1
Certainly, with no doubt at all.
"There are doubtlessly more insects than mammals."
2
Confidently, with no worries or hesitation.
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Etymology
From Middle English doutelesly, dowtelesly, equivalent to doubtless + -ly.
Synonyms
View more →Related words
Rhymes for doubtlessly
expressly
aimlessly
endlessly
carelessly
hopelessly
painlessly
fearlessly
recklessly
helplessly
tirelessly
ruthlessly
selflessly
See all rhymes for doubtlessly →
Frequently asked questions
What is the meaning of doubtlessly?
"doubtlessly" (adv) means certainly, with no doubt at all.
What is another word for doubtlessly?
Other words for "doubtlessly" include undoubtedly, doubtless.
What are the different meanings of doubtlessly?
"doubtlessly" has 2 main meanings: 1. Certainly, with no doubt at all; 2. Confidently, with no worries or hesitation.
