Synonym: attach, bind, clasp, connect, fasten, important, join, link, main, principal. Similar words: paraplegic, gestapo, aplomb, tap, tape, tapped, tapered, set apart. Meaning: [steɪpl] 
n. 1. (usually plural) a necessary commodity for which demand is constant 2. a natural fiber (raw cotton, wool, hemp, flax) that can be twisted to form yarn 3. material suitable for manufacture or use or finishing 4. a short U-shaped wire nail for securing cables 5. paper fastener consisting of a short length of U-shaped wire that can fasten papers together. v. secure or fasten with a staple or staples. adj. necessary foods or commodities.
n. 1. (usually plural) a necessary commodity for which demand is constant 2. a natural fiber (raw cotton, wool, hemp, flax) that can be twisted to form yarn 3. material suitable for manufacture or use or finishing 4. a short U-shaped wire nail for securing cables 5. paper fastener consisting of a short length of U-shaped wire that can fasten papers together. v. secure or fasten with a staple or staples. adj. necessary foods or commodities. 
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61. As a schoolboy prank he leaned forward to staple the boy in front's jacket to his chair.
62. Rape is a staple in pagan myth, and killing still more commonplace.
63. The main cash crops were coffee, sugar cane and cotton, with cassava the domestic staple.
64. So what should have become a staple of the science diet has turned into the Christmas turkey of the curriculum.
65. The heist itself is an old-fashioned staple: safety deposit boxes.
66. It insisted on a total abstention from not only spirits but beer,(sentencedict .com) the staple drink of the working man.
67. As folklorists have observed, the courtship story tends to be a staple in any family which tells stories at all.
68. The quality of diet is falling as the prices of meat and staple provisions rise beyond the reach of many poor residents.
69. Not all teachers today use a single standard textbook as their staple material and many schools have difficulty affording class sets.
70. Retail prices of staple foods and consumer goods remained unchanged.
71. Hockey moved from the fringe to the mainstream when it went from a specialty item to a staple.
72. To these may be added cheap food and tokens of improvement in our staple trade.
73. Lay one of the long strips of cardboard over this join and staple through card and fabric on to the batten.
74. There are some assured visual touches, a staple of any Czech film.
75. Reindeer moss, the staple diet of the deer herds, was also said to have disappeared completely.
76. It was under this imprint that the light romantic novels were issued which constituted the staple fare of Lane's circulating libraries.
77. A brown bag staple, a sandwich is easy to pack and easier to eat, requiring no forks or knives.
78. It is a staple of the multilateral trading system[sentencedict.com], and is extended by the United States to all but a handful.
79. The fight at the school gates has for ever been a staple of playground life.
80. Attacks on the immorality and decadence of aristocratic culture were the staple diet of purity tracts and speeches.
81. The Food Lion suit has been closely watched because hidden-camera reports have become a popular staple of network newsmagazine shows.
82. Jeans are a staple part of everyone's wardrobe - from the boy next door to the rich and famous.
83. Please collate and staple ten copies of the report for the meeting.
84. Once the staple of popular novels, music and movies, we rarely hear praise of the R-word any more.
85. The staple elements in the ordinary revenue revealed some major points of weakness.
86. And then there is the home medicine cabinet staple.
87. One famous Basque staple is salt cod ("bacalao").
88. We'll have to staple synthetic fibre this afternoon.
89. Dacron, polyamide fiber staple manufacture, marketing.
90. Sweet potato was the staple of their diet.