Synonym: issue, plot, point, problem, question, subject, text, theme. Similar words: go to pieces, tropical, atop, stop, stop by, non-stop, on top of, developing. Meaning: ['tɑpɪk /'tɒp-] 
n. 1. the subject matter of a conversation or discussion 2. some situation or event that is thought about.
n. 1. the subject matter of a conversation or discussion 2. some situation or event that is thought about. 
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91. The wedding has been the only topic of conversation for weeks.
92. Lack of space forbids further treatment of the topic here.
93. A disproportionate amount of time was devoted to one topic.
94. Mr Graham will speak on the topic of dog breeding.
94. Wish you can benefit from our online sentence dictionary and make progress day by day!
95. Public attention was riveted on this topic on both sides on the Atlantic.
96. Is drug abuse a suitable topic for a school debate?
97. The main topic for discussion will be the proposed new supermarket.
98. The tone of her voice was designed to stamp on this topic of conversation once and for all.
99. Nuclear power has always been a topic that has sparked off considerable debate .
100. It might be better to avoid such a controversial topic.
101. She would have liked to ask questions, but he had moved on to another topic.
102. The role of women in war has been a hot topic of debate in America since the Gulf conflict.
103. Few people have gone into the topic in such rigorous detail.
104. She cast around desperately for a safe topic of conversation.
105. Candidates will have to give a presentation on a given topic.
106. The speaker showed good judgement in his choice of topic.
107. An article on this topic would once have been considered off limits.
108. Picking up the threads of our discussion[sentencedict.com], let's return to the topic of factory farming.
109. Let's stay with the topic and not go off at a tangent.
110. The group agreed to carry over their discussion on the topic to the next meeting.
111. She tried to steer the conversation away from the topic of marriage.
112. Zahara was still interested in yesterday's topic of conversation.
113. Find a less controversial topic with which to experiment.
114. Model designation is truly a topic for mind-readers.
115. Somehow the topic of dermatology was broached.
116. For obvious reasons, this topic is studied around Christmastime.
117. Car safety is a hot marketing topic.
118. The conversation flowed from one topic to another.
119. Courses and workshops on the topic are widely available.
120. Lieberman explores this sensitive topic with compassion and thoughtfulness.