estèril

In a sentence

• El terreny era estèril i no produïa cap fruit.

  The soil was barren and did not produce any fruit.

  In this sentence, 'estèril' refers to the soil's barrenness, a literal description of lack of fertility.

• Després del debat, els arguments van semblar estèrils.

  After the debate, the arguments seemed unproductive.

  Here, 'estèril' is used metaphorically to describe arguments lacking effectiveness or productivity.

• Els científics van estudiar les condicions estèrils del laboratori.

  The scientists studied the sterile conditions of the laboratory.

  In this context, 'estèril' pertains to the cleanliness and lack of microorganisms in the lab environment.