"Undulate" Natural Recordings by Native Speakers
To move or wave in a smooth, flowing curve, especially because of the wind or water.
The act of taking off one's clothes, often to get changed into something else or to prepare for bed.
Description: Not safe or fit to drink.<br><br>Example sentence: The water from the well was undrinkable due to a strong smell of hydrogen sulfide.<br><br>Synonyms: unusable, drinkless, unfit for consumption.