low

If cost, value, amount, sound, temperature, etc. is low, it is small.

Example: My pay is very low, so it's hard to live here.

If something is low, it (or its top) is close to the ground.

Example: The bridge is too low for the truck to go under it.

If something is low quality, it is bad.

Example: I bought a low-quality bag and it already has a hole in it.

If a sound is low, it is small in frequency or quiet.

Example: On the piano, the left hand plays the low notes and the right hand plays the high notes.

If a person is feeling low, they are not happy.