Princeton's WordNet

1. ripple, rippling, riffle, wavelet(noun)

   a small wave on the surface of a liquid

2. ripple(verb)

   (electronics) an oscillation of small amplitude imposed on top of a steady value

3. ripple, ruffle, riffle, cockle, undulate(verb)

   stir up (water) so as to form ripples

4. ripple, babble, guggle, burble, bubble, gurgle(verb)

   flow in an irregular current with a bubbling noise

   "babbling brooks"

Kernerman English Learner's Dictionary

1. ripple(noun)ˈrɪp əl

   a tiny wave caused by sth touching the surface of liquid

   The wind made ripples on the pond.

Wiktionary

1. ripple(Noun)

   A moving disturbance or undulation in the surface of a liquid.

   I dropped a small stone into the pond and watched the ripples.

2. ripple(Noun)

   A sound similar to that of undulating water.

3. ripple(Noun)

   A style of ice cream in which flavors have been coarsely blended together.

   I enjoy fudge ripple ice cream, but I especially like to dig through the carton to get at the ripple part and eat only that.

4. ripple(Noun)

   A small oscillation of an otherwise steady signal.

5. ripple(Verb)

   To move like the undulating surface of a body of water; to undulate.

6. ripple(Verb)

   To propagate like a moving wave.

Origin: rypelen, frequentative of rippen 'to rip'. More at rip.

Webster Dictionary

1. Ripple(u)

   an implement, with teeth like those of a comb, for removing the seeds and seed vessels from flax, broom corn, etc

2. Ripple(verb)

   to remove the seeds from (the stalks of flax, etc.), by means of a ripple

3. Ripple(verb)

   hence, to scratch or tear

4. Ripple(verb)

   to become fretted or dimpled on the surface, as water when agitated or running over a rough bottom; to be covered with small waves or undulations, as a field of grain

5. Ripple(verb)

   to make a sound as of water running gently over a rough bottom, or the breaking of ripples on the shore

6. Ripple(verb)

   to fret or dimple, as the surface of running water; to cover with small waves or undulations; as, the breeze rippled the lake

7. Ripple(noun)

   the fretting or dimpling of the surface, as of running water; little curling waves

8. Ripple(noun)

   a little wave or undulation; a sound such as is made by little waves; as, a ripple of laughter

9. Ripple(noun)

   a small wave on the surface of water or other liquids for which the driving force is not gravity, but surface tension

10. Ripple(noun)

    the residual AC component in the DC current output from a rectifier, expressed as a percentage of the steady component of the current

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