Synonym: definite, particular, positive, some, special, sure. Antonym: doubtful, uncertain. Similar words: for certain, certainly, uncertain, uncertainty, certainly not, entertainment, curtain, maintain. Meaning: ['sɜːtn] 
adj. 1. definite but not specified or identified 2. having or feeling no doubt or uncertainty; confident and assured 3. established beyond doubt or question; definitely known 4. certain to occur; destined or inevitable 5. established irrevocably 6. reliable in operation or effect 7. exercising or taking care great enough to bring assurance.
adj. 1. definite but not specified or identified 2. having or feeling no doubt or uncertainty; confident and assured 3. established beyond doubt or question; definitely known 4. certain to occur; destined or inevitable 5. established irrevocably 6. reliable in operation or effect 7. exercising or taking care great enough to bring assurance. 
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61. When your heart is getting exhausted to a certain extent,you are too weak to anger.
62. In their evaluation of the project, they considered only certain aspects of it.
63. You'll be quite safe if you observe certain basic precautions.
64. Sure certain and affirmation, I already fell in love with you.
65. Her success in business had earned her a certain cachet in society.
66. The news of his appointment was received with a certain relief by most people.
67. It is certain that they will agree / They are certain to agree.
68. North Americans often hold off a certain distance in conversation, which is about 21 inches apart found by studies.
68. Wish you can benefit from our online sentence dictionary and make progress day by day!
69. There is a call for the concession of certain rights.
70. His career has blossomed and that has given him a certain elevated status.
71. We hope the programme will dispel certain misconceptions about the disease.
72. Recent opinion polls show that 60 percent favor abortion under certain circumstances.
73. I don't know for certain, but I think she lives in the next village.
74. The company reserves the right to cancel this agreement in certain circumstances.
75. The fission of the cell could be inhibited with certain chemicals.
76. A person rich money is not certain, but if the man is not a dream, the poor people.
77. It is necessary initially to classify the headaches into certain types.
78. Opacity of the eye lens can be induced by deficiency of certain vitamins.
79. It is certain that he will agree/He is certain to agree.
80. The by-law makes it illegal to drink in certain areas.
81. The government exacts taxes from every wage earner above a certain level of income.
82. Apparently some people have an inborn tendency to develop certain kinds of tumour.
83. The smaller of its hands occasionally slipped round on the pivot, and thus, though the minutes were told with precision[sentencedict.com], nobody could be quite certain of the hour they belonged to.
84. His new play has a certain je ne sais quoi.
85. The President and his supporters are almost certain to read this vote as a mandate for continued economic reform.
86. Only a certain number of people are allowed in the building at any one time.
87. These two chemicals interact with each other at a certain temperature to produce a substance which could cause an explosion.
88. There will be certain people who'll say 'I told you so!'.
89. The police are seeking independent confirmation of certain details of the story.
90. There are certain things that are absolutely basic to the maintenance of a good relationship.
More similar words: for certain, certainly, uncertain, uncertainty, certainly not, entertainment, curtain, maintain, concert, undertake, retain, obtain, contain, sustain, captain, container, retaining, sustainable, cancer, soccer, dancer, officer, concern, grocery, producer, ceremony, shortage, stair, mortality, important.