нареч.
вводн. undoubtedly, without doubt/question
несомненн|о - undoubtedly, indisputably
он, ~, придёт he`s sure to come
~ость ж. certainty
~ый undoubted, unmistakable, indisputable
~ый успех an indisputable/indubitable success
нареч.
вводн. undoubtedly, without doubt/question
несомненн|о - undoubtedly, indisputably
он, ~, придёт he`s sure to come
~ость ж. certainty
~ый undoubted, unmistakable, indisputable
~ый успех an indisputable/indubitable success
Большой Русско-Английский словарь. New big Russian-English dictionary. 2012