stress B1

/stɹɛs/ Worry or mental pressure caused by a difficult situation.

strict B2

/stɹɪkt/ Demanding that rules are obeyed and not allowing bad behavior.

strait B2

/stɹeɪt/ A narrow channel of sea connecting two larger areas of water.

straiten C2+

/ˈstreɪtən/ to make narrow, or to restrict, especially financially