Synonym: life, life-time, lifespan. Similar words: at one time, sometime, all the time, by the time, take time, sometimes, at the time of, at the same time. Meaning: [ˈlaɪftaɪm] 
n. the period during which something is functional (as between birth and death).
n. the period during which something is functional (as between birth and death). 
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61. You've given a lifetime of service to athletics.
62. Only one painting was exhibited in the artist's lifetime.
63. The veteran director won a lifetime achievement award.
64. University seems half a lifetime away.
65. His thick, swollen fingers bore testimony to a lifetime of toil.
66. An opportunity as good as this arises once in a lifetime.
67. It will take at least the lifetime of a parliament to put the health service in order.
68. There is no need to think that you are sentenced to a lifetime of unhappiness.
69. This pen should last a lifetime if you look after it.
70. It would be foolish to let such an opportunity slip; it's a chance of a lifetime.
71. It's the chance of a lifetime. You shouldn't miss it.
72. Though Vivaldi had earned a great deal in his lifetime, his extravagance was such that he died in poverty.
73. Marriage is no longer always seen as a lifetime commitment.
74. That sort of thing happens only once in a lifetime.
75. It took a whole lifetime to solve the mystery of her father's disappearance.
76. When she was offered the job she knew it was the chance of a lifetime.
77. Largely unknown in his lifetime(sentencedict.com), Mendel's discoveries earned him posthumous fame.
78. I've only been working here two days, but it seems like a lifetime.
79. This is your chance to win the holiday of a lifetime.
80. Early involvement in music can awaken an interest that will last a lifetime.
80. Sentencedict.com try its best to collect and create good sentences.
81. I want to take advantage of your lifetime of scholarship.
82. In the past, the majority of women were consigned to a lifetime of servitude and poverty.
83. It's the sort of opportunity you see only once in a lifetime .
84. Getting that story was the scoop of a lifetime for the journalist.
85. Their lack of qualifications condemned them to a lifetime of boring, usually poorly-paid work.
86. She was given the award for a lifetime of public service.
87. After a lifetime as a journalist in the troublespots of the world, he retired to the country.
88. This could be not just the trip of a lifetime but the experience of a lifetime.
89. Herbert von Karajan was a legend in his own lifetime.
90. In my father's lifetime there have been many changes in the village.
More similar words: at one time, sometime, all the time, by the time, take time, sometimes, at the time of, at the same time, for the time being, from time to time, life, for life, to the life, wildlife, lifestyle, come to life, time, in time, on time, at times, at a time, at no time, in no time, full-time, meantime, each time, at any time, longtime, at all times, by this time.