[v. uhn-juh-leyt, uhn-dyuh-, -duh-; adj. uhn-juh-lit, -leyt, uhn-dyuh-, -duh-] 
verb, -lat⋅ed, -lat⋅ing, adjective | 1. | to move with a sinuous or wavelike motion; display a smooth rising-and-falling or side-to-side alternation of movement: The flag undulates in the breeze. |
| 2. | to have a wavy form or surface; bend with successive curves in alternate directions. |
| 3. | (of a sound) to rise and fall in pitch: the wail of a siren undulating in the distance. |
| 4. | to cause to move in waves. |
| 5. | to give a wavy form to. |
| 6. | Also, un⋅du⋅lat⋅ed. having a wavelike or rippled form, surface, edge, etc.; wavy. |
dʒəˌleɪt