This is the 2630th most frequent German word.
billig
Cheap.
In this sentence, 'billig' is used as an adjective to describe the t-shirt.
Das T-Shirt ist sehr billig.
The t-shirt is very cheap.
Here, 'billig' is used in its superlative form 'billigste' to compare different options.
Die billigste Option ist nicht immer die Beste.
The cheapest option is not always the best.
In this sentence, 'billig' is used to represent a concept or perception of low value or inexpensive nature.