Me siento mal.

When to use

This is a common and polite way to express that you are experiencing physical discomfort or illness.

How it works

Uses the reflexive verb 'sentirse' (to feel) in the first person, followed by the adjective 'mal' (bad/poorly).

• Me siento
• mal

Formality

This phrase is broadly applicable and can be used in both informal and semi-formal contexts.

Notes

Useful for sudden illness. Neutral everyday wording.