No, there is no inherent negative connotation (implied meaning) that I know of. It can be used negatively, like most words, but I don't think that the word itself is negative.
The dancer moved with elegant and undulated motion.
"Undulated", no.
The singer's voice undulated
Undulated Antpitta was created in 1842.
Undulated moray was created in 1803.
The bridge undulated as the earthquake rocked the city.
her body undulated to the thumping rhythm of the music.
Undulate is a verb: undulate, undulates, undulated, undulating
The most aggresive behaviour I have ever seen from a saltwater fish came from an Undulated Triggerfish. However, there really is no definitive answer to this question.
Umbrella Cockatoo, Umbrella Bird, Uhehe Fiscal, Ural Owl, Undulated Antpitta, Uni-Colored Jay, Upland Buzzard, Uniform Finch, UnCape Parrot.
Chicago.
Upside-down Cat Uaru Undulated Moray Eel Unicorn crestfish Uaru, upside-down catfish and unicorn crestfish are fish species.