Synonym: accidental, chance, informal, natural, unexpected. Antonym: planned. Similar words: casualty, as usual, visual, unusual, persuade, measure up, measure up to, measurement. Meaning: ['kæʒjʊəl] 
adj. 1. marked by blithe unconcern 2. without or seeming to be without plan or method; offhand 3. suited for everyday use 4. occurring or appearing or singled out by chance 5. hasty and without attention to detail; not thorough 6. occuring from time to time 7. characterized by a feeling of irresponsibility 8. natural and unstudied 9. not showing effort or strain.
adj. 1. marked by blithe unconcern 2. without or seeming to be without plan or method; offhand 3. suited for everyday use 4. occurring or appearing or singled out by chance 5. hasty and without attention to detail; not thorough 6. occuring from time to time 7. characterized by a feeling of irresponsibility 8. natural and unstudied 9. not showing effort or strain. 
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61. There was something a little too carefully casual in his tone.
62. By indulging in casual sex, many teenagers could be signing their own death warrants .
63. There is no comparison between the knowledge and skill of such a player and the ordinary casual participant.
64. It was only a casual remark. I think you're reading too much into it.
65. Everyone else was in jeans and casual gear and I had my office clothes on - I stuck out like a sore thumb.
66. A casual observer would have guessed his age at 70.
67. Among her friends, casual dress and a relaxed manner are the rule.
68. It's not a subject that often crops up in casual conversation.
69. Such casual dress would not be correct for a formal occasion.
70. His casual clothes were not appropriate for such a formal occasion.
71. Students sometimes do casual work in the building or tourist trades.
72. Even a casual observer could hardly have failed to notice the heightening of an already tense atmosphere.
73. He made a few casual comments to her about her hair and now she's gone and chopped it all off!
74. People wear slacks, sweaters, flat shoes, and all manner of casual attire for travel.
75. Young people need to awake to the risks involved in casual sex.
76. The exhibition is interesting to both the enthusiast and the casual visitor.
77. He gave us a casual glance as he walked by, but didn't stop.
78. The farmers depend on a casual labour supply at harvest time.
79. In the college vacations he does casual work in the local hospital.
80. The museum is of great interest, both to experts and to casual visitors.
81. He dropped casual references to the legacy of his great work.
82. He's an easy-going,(www.Sentencedict.com) friendly young man with a casual sort of attitude towards money.
83. There was a casual bonhomie between the actors at rehearsals.
84. Trainers really became popular in the 1980s, when casual sportswear came in.
85. The lack of facilities in the town may deter the casual visitor.
86. What you mean as a casual remark could be misinterpreted.
87. There has been some increase in the use of casual labour over recent years.
88. Although close to tears, she tried to make her voice sound casual.
89. A day's casual work takes on an extra meaning.
90. You seemed just too casual about the whole thing.
More similar words: casualty, as usual, visual, unusual, persuade, measure up, measure up to, measurement, all of a sudden, case, in case, casino, cash in, in case of, cash in on, manual, actual, sexual, mutual, annual, ritual, in any case, sexually, qualify, annually, virtual, actually, cast aside, in this case, broadcast.