This is the 14606th most frequent Turkish word.
peşin
"Peşin" means "in advance" or "upfront."
In this sentence, "peşin" refers to an upfront or immediate payment when purchasing something.
Bu mağazada peşin ödeme yapabilirsiniz.
You can make upfront payments in this store.
Here, "peşin" is used to describe judgments or decisions made preemptively or without full consideration.
Peşin hükümlerle karar vermemelisin.
You should not make decisions with preconceived judgments.
In this context, "peşin" is used to describe cash (instant) payment rather than deferred payment options.