Severe
Part of speech: adjective
Definition: Very bad or intense. Strict or harsh.
Example sentence: I think one thing is that anybody who's had to contend with mental illness - whether it's depression, bipolar illness or severe anxiety, whatever - actually has a fair amount of resilience in the sense that they've had to deal with suffering already, personal suffering.
Strict
Part of speech: adjective
Definition: Strained; drawn close; tight; as, a strict embrace; a strict ligature.Tense; not relaxed; as, a strict fiber.Exact; accurate; precise; rigorously nice; as, to keep strict watch; to pay strict attention.Governed or governing by exact rules; observing exact rules; severe; rigorous; as, very strict in observing the Sabbath.Rigidly interpreted; exactly limited; confined; restricted; as, to understand words in a strict sense.Upright, or straight and narrow; — said of the shape of the plants or their flower clusters.Severe in discipline.
Example sentence: My mom was very strict when I was growing up. I could not talk to boys until I was 18. I had to study and work hard.