noun, な adjective
Don't yield to anything when you're destitute because it'll make things even more tight. Usually you have to be pretty rigid about what you can and cannot afford.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
Tight underwear isn’t good for you.
I'm sorry the room is so cramped. Can you just sit here? I'll get you some tea.