Spontaneous



GRE 蓝宝 TOEFL 考研

解释

GRE 红宝书

• adj.自发的; 自然的
• ［英］ adj.自发的 ( proceeding from natural feelings) ; 自然的 ( natural)
• ［类］ 反义词: premeditated ( 预谋的)
• ［记］ 来自spont ( 自然) ＋aneous
• ［例］ a spontaneous movement ( 无意识的动作)

Webster Collegiate

adjective

• Etymology: Late Latin spontaneus, from Latin sponte of one's free will, voluntarily
• Date: 1653
• 1. proceeding from natural feeling or native tendency without external constraint
• 2. arising from a momentary impulse
• 3. controlled and directed internally ; self-acting <spontaneous movement characteristic of living things>
• 4. produced without being planted or without human labor ; indigenous
• 5. developing or occurring without apparent external influence, force, cause, or treatment
• 6. not apparently contrived or manipulated ; natural
• ? spontaneously adverb
• ? spontaneousness noun
• Synonyms:
  • spontaneous, impulsive, instinctive, automatic, mechanical mean acting or activated without deliberation. spontaneous implies lack of prompting and connotes naturalness <a spontaneous burst of applause>. impulsive implies acting under stress of emotion or spirit of the moment<impulsive acts of violence>. instinctive stresses action involving neither judgment nor will<blinking is an instinctive reaction>. automatic implies action engaging neither the mind nor the emotions and connotes a predictable response<his denial was automatic>. mechanical stresses the lifeless, often perfunctory character of the response<a mechanical teaching method>.

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