Definition of certainly in English:

certainly

Syllabification: cer·tain·ly
Pronunciation: /ˈsərtnlē
 
/

adverb

[sentence adverb]
1Undoubtedly; definitely; surely: the prestigious address certainly adds to the firm’s appeal it certainly isn’t worth risking your life
More example sentences
  • It may be true of good wine, but it is certainly not true of a good sommelier.
  • On the other hand, if it turns out to be true, they certainly can claim to have been the first to mention it.
  • It is certainly not true to say that trains do not stop in Guiseley because they are already full.
Synonyms
1.1(In answer to a question or command) yes; by all means: “A good idea,” she agreed. “Certainly!”
More example sentences
  • "Certainly, madam," he replied.
  • "Why, certainly," replied Hardin, amiably. "We're all scholars more or less."
  • "Why certainly. This one here, this cute plushie, is great for girls of that age."
Synonyms
yes, definitely, absolutely, sure, by all means, indeed, of course, naturally; affirmative
informal OK, okay

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Word of the day ween
Pronunciation: wēn
verb
be of the opinion; think or suppose