Dead against - बिल्कुल खिलाफ
Completely opposed to
Her mother is dead against her acting in the films.
Dead loss - बेकार/ पूर्ण हानि
a person or thing that is not helpful or useful
He invested quite a lot of money in paper business but it proved to be a dead loss.
Dead of light - आधी रात को
the middle of the night, when it is very dark
The thief entered the house at dead of night.
Dead tired - बहुत थका हुआ
very tired; completely exhausted
Having walked Four miles I felt dead tired and immediately fell asleep.