adverb
everywhere, all over
A2
überall means everywhere or all over. A local adverb indicating location; it does not take a specific preposition and usually stands alone. It modifies verbs, adjectives or whole clauses (Ich suche überall). Neutral register and very frequent in speech and writing, commonly.
Examples
Die Kinder haben überall gespielt und es war laut.
The children played everywhere and it was noisy.
Überall in der Stadt sieht man Blumen.
You can see flowers all over the city.
Die Straßen waren voll, und überall lagen Flyer, die nach dem Konzert verteilt wurden.
The streets were full, and flyers lay everywhere that had been distributed after the concert.
Details
Mnemonics
Picture tiny dots scattered over a map — they are 'everywhere' (überall).
sounds like 'oo-ber-all' — 'über' (over) + 'all' (all) = over all
Notes
Überall is a common adverb of place meaning 'in all places' or 'throughout'. It does not change form and is used in neutral register.