American Heritage Dictionary
(6)
Century Dictionary
(4)
GNU Webster's 1913
(3)
WordNet
(5)
Elsewhere on the web
As market waters undulate, small caps might keep you afloat.— Forbes.com: News
Women in colourful skirts twirl and undulate, using graceful hand and arm motions while their feet shuffle along the ground.
• At the same time, the power of the synchronized motion within the atomic structure will cause the material to undulate or expand and contract like a 'beating heart'.— Recently Uploaded Slideshows

American Heritage Dictionary (1)
Century Dictionary (2)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
We are still working on calculating this word's frequency.
Recently looked upquisling · Serendipity · chill · carb · onus |
Recent Favoritespygopagus · sanglant · Astacus · sweetbread · qualms |
Recent Pronunciationseu oi oìa u ou e u oìa · the octopi are dry · Kansas City · spell it rite · put it in your pocket |