Meaning & Definition of Certain in English

1. Definite but not specified or identified

• "Set aside a certain sum each week"

• "To a certain degree"

• "Certain breeds do not make good pets"

• "Certain members have not paid their dues"

• "A certain popular teacher"

• "A certain mrs. jones"

2. Having or feeling no doubt or uncertainty

• Confident and assured

• "Felt certain of success"

• "Was sure (or certain) she had seen it"

• "Was very sure in his beliefs"

• "Sure of her friends"

3. Established beyond doubt or question

• Definitely known

• "What is certain is that every effect must have a cause"

• "It is certain that they were on the bus"

• "His fate is certain"

• "The date for the invasion is certain"

4. Certain to occur

• Destined or inevitable

• "He was certain to fail"

• "His fate is certain"

• "In this life nothing is certain but death and taxes"- benjamin franklin

• "He faced certain death"

• "Sudden but sure regret"

• "He is sure to win"

5. Established irrevocably

• "His fate is sealed"

6. Reliable in operation or effect

• "A quick and certain remedy"

• "A sure way to distinguish the two"

• "Wood dust is a sure sign of termites"

7. Exercising or taking care great enough to bring assurance

• "Be certain to disconnect the iron when you are through"

• "Be sure to lock the doors"