spontaneous

形容词 adj.
中文释义
英 /spɒnˈteɪ.ni.əs/    美 /spɑnˈteɪ.ni.əs/

英文释义

形容词 adj.
  1. Self-directed; happening or acting without external cause or instigation; proceeding from natural feeling, temperament, or momentary impulse.
    — He made a spontaneous offer of help.
  2. Done by one's own free choice, or without planning.
    — YSL, as he is often called, is equally capable of casual, aristocratic cruelty and earthy, spontaneous tenderness, and when you study his face it can be hard to distinguish boredom from rapture.
  3. Controlled and directed internally; self-active; spontaneous movement characteristic of living things.
  4. Produced without being planted or without human cultivation or labor.
    — He persisted in his design; and, because he would not make his wants known, actually subsisted for several days on hips, haws and sloes, and other spontaneous fruits which he gathered in the woods and fields.
  5. Sudden, without warning.
  6. Said or done without prior planning or prior writing.
    — He made a spontaneous remarks in the court.

词形变化

more spontaneous comparative most spontaneous superlative

词汇关系

衍生词
nonspontaneous semispontaneous spontaneity spontaneous abortion spontaneous combustion spontaneous fission spontaneous generation spontaneous human combustion spontaneously spontaneousness spontaneous order spontaneous pneumothorax subspontaneous unspontaneous

词源

Etymology tree
Late Latin sponte
Proto-Indo-European *-nós
Proto-Italic *-nos
Late Latin -nus
Late Latin -ānus
Proto-Indo-European *-yósder.
Proto-Indo-European *-éyos
Proto-Italic *-ejos
Proto-Italic *-eos
Late Latin -eus
Late Latin -āneus
Late Latin spontāneuslbor.
English spontaneous
Learned borrowing from Late Latin spontāneus.
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