by leaps and bounds definition, by leaps and bounds meaning | English dictionary

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bound

  
[2]  
      vb  
1    to move forwards or make (one's way) by leaps or jumps  
2    to bounce; spring away from an impact  
      n  
3    a jump upwards or forwards  
4    by leaps and bounds          with unexpectedly rapid progess  
her condition improved by leaps and bounds     
5    a sudden pronounced sense of excitement  
his heart gave a sudden bound when he saw her     
6    a bounce, as of a ball  
     (C16: from Old French bond a leap, from bondir to jump, resound, from Vulgar Latin bombitire (unattested) to buzz, hum, from Latin bombus booming sound)  
English Collins Dictionary - English Definition & Thesaurus  
Collins
leap  
      vb   , leaps, leaping, leapt, leaped  
1    intr   to jump suddenly from one place to another  
2    intr; often foll by: at   to move or react quickly  
3    tr   to jump over  
4    to come into prominence rapidly  
the thought leapt into his mind     
5    tr   to cause (an animal, esp. a horse) to jump a barrier  
      n  
6    the act of jumping  
7    a spot from which a leap was or may be made  
8    the distance of a leap  
9    an abrupt change or increase  
10      (Also called (U.S. and Canadian))    skip     (Music)   a relatively large melodic interval, esp. in a solo part  
11    a leap in the dark   an action performed without knowledge of the consequences  
12    by leaps and bounds          with unexpectedly rapid progress  
     (Old English hleapan; related to Gothic hlaupan, German laufen)  
  leaper      n  

English Collins Dictionary - English Definition & Thesaurus  

See also:

leap, leapt, LEA, least

Collaborative Dictionary     English Definition
exp.
go for something, take one's chances

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"Collins English Dictionary 5th Edition first published in 2000 © HarperCollins Publishers 1979, 1986, 1991, 1994, 1998, 2000 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"