Phân biệt “pretty tired”, “very tired” và “so tired”

What is the difference between “pretty tired” and “very tired”?

very tired – to a high degree (rất mệt)

pretty tired – to a certain extent or fairly (khá mệt)

What is the difference between “so tired” and “very tired”?

Alone both mean basically the same thing, but if I was just sitting down after a long day I’d use “so“, it feels more natural.

Using “very” sounds like the answer to “how tired are you?”

If you want to say you’re tired /of/ something it’s more natural to use so. “I’m so tired of packing lunch everyday.”

You can also use “really” instead: “I’m really tired since I stayed up so late.”