Pronunciation

/ˈsɜːrtɪnəti/

Definitions

• Noun: A state of being absolutely sure or confident about something; complete certainty or assurance. For example: “There was no doubt in her mind; she had a certainty that he would come.”
• Adjective: Certain or undeniably true; free from doubt or uncertainty. For example: “The scientist had a high degree of certainty about their findings.”
• Adverb: With certainty or confidence; definitely. For example: “She spoke with certainty about her plans for the future.”

Phrases

• “Act with certainty” means to act confidently and without hesitation.
• “A matter of certainty” indicates something that is beyond doubt.
• “Certainty of belief” refers to strong conviction in one’s faith.

Example Sentences

• Noun: “He had a deep sense of certainty about his decision.”
• Adjective: “The evidence was so compelling that there was no doubt – it was a certainty.”
• Adverb: “She answered the question with certainty, knowing the answer offhand.”

Synonyms

• Certitude
• Assurance
• Confidence
• Positivity
• Undoubtful
• Absolute
• Unquestionable

Antonyms

• Doubt
• Uncertainty
• Ambiguity
• Perplexity
• Hesitation
• Instability