'Indispensable' is a word which means :
Anot very important
Bdifficult to do without
Cnot useful
Dsomething that support life
Anot very important
Bdifficult to do without
Cnot useful
Dsomething that support life
Related Questions:
Substitute the underlined word with any of the following without changing the meaning of the sentence. While quarrelling with the bus conductor, the passenger made some "derisive" comments.