Antonym: lower. Similar words: height, eighteen, lighten, tighten, brighten, frighten, enlighten, lightening. Meaning: ['haɪtn] 
v. 1. become more extreme 2. make more extreme; raise in quantity, degree, or intensity 3. increase 4. increase the height of 5. make (one's senses) more acute 6. make more intense, stronger, or more marked.
v. 1. become more extreme 2. make more extreme; raise in quantity, degree, or intensity 3. increase 4. increase the height of 5. make (one's senses) more acute 6. make more intense, stronger, or more marked. 
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91. The percussion and rotary drilling of hydraulic impactor may heighten drilling velocity several times, when it is been applying in drilling geothermic well.
92. When we heighten the data transmission speed , we should assure the reliability of the data transmission.
93. THIS would surely act to "heighten security awareness" among all the rest of the vaunted Bush Security System.
94. Is this not serious enough for us to heighten our vigilance?
95. The duration and global reach of implementation heighten the likelihood and impact of commercial performance risk.
96. The shirt-sleeve trend that these two heretofore heighten innovation and economic geography increasingly between different course has potential academic effect.
97. But in English academic writing theme carries new information to enable effective organization of information and heighten coherence and effective communication.
More similar words: height, eighteen, lighten, tighten, brighten, frighten, enlighten, lightening, straighten, frightened, frighten away, brightening, frightening, enlightened, straighten up, enlightenment, eight, weight, eighth, eighty, fighter, freight, sleight, blighted, high tech, benighted, delighted, foresighted, firefighter, unrighteous.