get + [noun] (receive, buy, fetch)
get + [adjective] (become)
get + to/home/there (arrive)
get + [particle] (phrasal verbs: get up, get on)
Get is irregular: get, got, got. American English often uses gotten as the past participle. What get means depends on the word that follows it.
With a noun, get usually means receive, buy or go and bring. It is less formal than those verbs.
With an adjective, get means become. It shows a change.
With a comparative, it shows a slow change: getting better, getting worse, getting older.
Some fixed phrases use a past participle: get married, get lost, get dressed, get changed.
Get to + place means arrive at or reach. With home, here and there, don't use to.
Get makes many phrasal verbs. Here are some common ones: