no doubt
Proposed by a contributor, not yet supported by evidence.
Meaning · English
Certainly or undoubtedly
Literally: absence of uncertainty
Register: neutral
Examples
There's no doubt: the universe is infinite.Không còn nghi ngờ gì nữa: vũ trụ là vô tận.
There is no doubt that cycling is healthier than driving.Chắc chắn là đạp xe có lợi cho sức khỏe hơn lái xe.
Tatoeba sentence #414845 (CC BY 2.0 FR, tatoeba.org, retrieved 2026-07-31)
Sources & notes
Everyday learner phrase (CEFR B2); level cross-referenced from published learner lists. Definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-08-01; pending editor spot-check.
Common questions
What does “no doubt” mean?
Certainly or undoubtedly Literally: absence of uncertainty
Is “no doubt” formal or informal?
no doubt is generally neutral.