Yes, "lavatory" can be considered a euphemism for bathroom or toilet. It is often used in more formal or polite contexts to refer to a place for personal hygiene. The term helps convey the function of the space without using more direct or potentially crude language.
A euphemism of a toilet is something that maybe used for that word among young people (perhaps). It could be the pot, lavatory, lav, can, john, privy, bathroom, commode, potty, stool, throne, gutter, sewer, toilette, bad luck, dressing, grooming, ill luck, misfortune, plumbing fixture, room or tough luck.
The boy's lavatory had three urinals and two toilet stalls.The girl's lavatory had five toilet stalls, but girls do not use urinals.A pipe burst, flooding the lavatory floor with hot water.
euphemism for helper
euphemism of ugly
euphemism for helper
euphemism for helper
During the middle of class, she asked the teacher to use the lavatory.
The euphemism for gullible is "credulous."
It is one word, the compound word "bathroom." This American euphemism for a 'lavatory' has been confusing British travelers ever since it's 1780 adoption into the lexicon. See the related link listed below for more information:
no bathroom
Lavatories
The euphemism for "loudmouth" is "talkative" or "chatty."