Formal:
* Payat: This is the most common and neutral term.
* Manipis: This word implies a thinness that is not necessarily unhealthy, but more like being delicate or slender.
Informal:
* Payatot: This is a more playful and friendly way to say "skinny." It is usually used among friends or family.
* Payat na payat: This phrase emphasizes the extreme thinness of a person.
Other options:
* Matangkad at payat: This means "tall and skinny."
* Walang laman: This literally means "empty," and it can be used to describe someone who is very skinny and doesn't have much muscle mass.
Note:
It's important to be mindful of how you use these words, as some people may be sensitive about their body image. It's always best to be respectful and use terms that are appropriate for the situation.