A period of time by which something is late or postponed.

विलंब

English Usage: The unexpected delay in the delivery caused frustration among the customers.

Hindi Usage: डिलीवरी में अप्रत्याशित विलंब ने ग्राहकों के बीच निराशा उत्पन्न कर दी।

Not expected or regarded as likely to happen.

अप्रत्याशित

English Usage: The unexpected news caught everyone off guard.

Hindi Usage: अप्रत्याशित समाचार ने सभी को अप्रस्तुत कर दिया।

To make someone or something late or delayed.

विलंब करना

English Usage: Please do not delay your response to the invitation.

Hindi Usage: कृपया निमंत्रण के उत्तर में विलंब न करें।