Meaning & Definition of word "Certainly"

adverb:

• 1. Used to emphasize the speaker's belief that something is true or a fact.
  • Example: I will certainly attend the meeting tomorrow.
• 2. Used to express a strong affirmation or agreement.
  • Example: You can certainly count on me for support.
• 3. Used to indicate that something is undoubtedly the case.
  • Example: That is certainly a remarkable achievement.
• 4. Used to express confidence about a future situation.
  • Example: We will certainly have the project completed by next week.