This is the 16035th most frequent Polish word.
twarde
"Hard" or "firm."
Twarde describes the texture of the bread, 'hard', usually implying it is old or overbaked.
Chleb tutaj jest bardzo twardy.
The bread here is very hard.
Twarde is used as an adjective describing a physical property of the table, 'hard'.
Stół jest twardy.
The table is hard.
Twarde is used metaphorically to describe a person's character or resilience, 'tough'.