Synonym: infrequent, peculiar, scarce, sparse, uncommon, unusual. Antonym: dense, ordinary. Similar words: literary, contrary, temporary, contemporary, to the contrary, on the contrary. Meaning: [rer /reə] 
adj. 1. not widely known; especially valued for its uncommonness 2. recurring only at long intervals 3. not widely distributed 4. marked by an uncommon quality; especially superlative or extreme of its kind 5. having low density 6. (of meat) cooked a short time; still red inside.
adj. 1. not widely known; especially valued for its uncommonness 2. recurring only at long intervals 3. not widely distributed 4. marked by an uncommon quality; especially superlative or extreme of its kind 5. having low density 6. (of meat) cooked a short time; still red inside. 
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91. Skeletal remains of the earliest dinosaurs are rare.
92. Thick tuna steaks are eaten rare, like beef.
93. A rare smile lit up his stern features.
94. It's rare that I have an evening meal with my children.
95. The programme gives us a rare glimpse of a great artist at work.
96. The Forestry Commission has opened a plant centre selling rare plants.
97. These days, the bobby on the beat is a rare sight.
98. Understanding these rare molecules will help chemists to find out what is achievable.
99. The Fife coast harbours many insects which are rare elsewhere in Britain.
100. 'I don't trust him,' he said, in a rare moment of candour.
101. We had a rare old time trying to get tickets.
102. It isn't a rare bird, just a common or garden sparrow.
103. The rare disorder strikes apparently healthy boys between the ages of five and twelve.
104. It is very rare for her to miss a day at school.
105. This scene may give a rare glimpse of Charles's personal style as king.
106. She is that rare bird:a politician with a social conscience.
107. The theory is that there was a rare conjunction of certain bright planets that created the image of the so-called 'Star of Bethlehem'.
108. This grand park is a rare survivor from the eighteenth century.
109. By pure chance he found the rare book he needed in a little second - hand bookshop.
110. He was born with a rare bone disease,[www.Sentencedict.com] probably the result of aristocratic inbreeding.
111. Except in a few rare cases, bee stings are not dangerous.
112. This is the first sighting of this particularly rare bird in this country.
113. It is rare to see a man over 160 years old.
114. She is one of those rare politicians whom one can trust not to swerve from policy and principle.
115. The doctor diagnosed my illness as a rare skin disease.
116. She got a rare liver disease when she was only twenty.
117. I happened on a rare stone in a small jeweller's.
118. He had been crippled by a rare type of paralysis spreading from his ankle.
119. Jasper White is one of those rare people who believes in ancient myths.
120. The word itself is so rare as to be almost obsolete.