gefroren
frozen
Changed into a solid state through cold, especially from water to ice.
Der See ist im Winter komplett gefroren.
The lake is completely frozen in winter.

frozen
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frozen
Changed into a solid state through cold, especially from water to ice.
Der See ist im Winter komplett gefroren.
The lake is completely frozen in winter.

'Gefroren' (frozen) is the past participle of the verb 'gefrieren' (to freeze). It is very often used like a normal adjective to describe a state.
Die Scheiben des Autos waren am Morgen gefroren.
The car windows were frozen in the morning.
Be careful not to use 'gefroren sein' (to be frozen) if you only want to say that you are cold. The sentence 'Ich bin gefroren' means that your body has turned into ice. Instead, say 'Ich friere' (I'm freezing) or 'Mir ist kalt' (I'm cold).
Seine Finger waren nach einer Stunde im Schnee fast gefroren.
His fingers were almost frozen after an hour in the snow.
As an adjective, 'gefroren' (frozen) is almost always used with the verb 'sein' (to be) to describe the state of something.
Das Wasser in der Leitung ist gefroren.
The water in the pipe is frozen.
In the meaning 'turned to ice', 'gefroren' (frozen) is often combined with things in nature, such as 'der gefrorene See' (the frozen lake), 'der gefrorene Boden' (the frozen ground), or 'gefrorene Pfützen' (frozen puddles).
Die Kinder liefen Schlittschuh auf dem gefrorenen See.
The children ice-skated on the frozen lake.
When 'gefroren' (frozen) comes before a food item, it usually means 'deep-frozen'. Typical examples are frozen vegetables, frozen fish, or frozen pizza.
Für das Abendessen taue ich gefrorenen Lachs auf.
For dinner, I'm thawing frozen salmon.
fresh
'frisch' and 'gefroren' can form a contrast when talking about food. 'frisch' means that a food has not been preserved and was harvested, produced, or prepared recently. 'gefroren' means that a food has been frozen so that it keeps longer. Both can be edible and good, but they describe different states. 'frisch' fits, for example, with vegetables from the market. 'gefroren' fits with food from the freezer.

Am Montag kauft Sofia gefrorene Erbsen für die Suppe.
On Monday, Sofia buys frozen peas for the soup.
Tom nimmt frischen Fisch vom Markt, weil er heute kochen möchte.
Tom gets fresh fish from the market because he wants to cook today.