undulate

Từ điển Oxford Learners Wordfinder Dictionary

I - verb

1. stir up (water) so as to form ripples (Freq. 1)
• Syn:
ripple, ruffle, riffle, cockle
• Derivationally related forms:
riffle (for: riffle), ripple (for: ripple), rippling (for: ripple)
• Hypernyms:
flow, flux
• Entailment:
fold, fold up, turn up
• Verb Frames:
- Something ----s
- Somebody ----s something
2. occur in soft rounded shapes
- The hills rolled past
• Syn:
roll
• Derivationally related forms:
roll (for: roll)
• Verb Frames:
- Something ----s
- Something is ----ing PP
3. move in a wavy pattern or with a rising and falling motion
- The curtains undulated
- the waves rolled towards the beach
• Syn:
roll, flap, wave
• Derivationally related forms:
wave (for: wave), flap (for: flap), flapping (for: flap), undulation, roller (for: roll)
• Hypernyms:
move
• Hyponyms:
luff
• Verb Frames:
- Something ----s
- Somebody ----s something
4. increase and decrease in volume or pitch, as if in waves
- The singer's voice undulated
• Hypernyms:
change
• Verb Frames:
- Something ----s

II - adjective

having a wavy margin and rippled surface
• Similar to:
smooth

• Từ đồng nghĩa / Synonyms:
  roll, flap, wave, ripple, ruffle, riffle, cockle