Select the most appropriate one-word substitution for the given group of words.

A person who is experiencing dementia brought about by old age

Select the most appropriate one-word substitution for the given words.

An imaginary ideal society

Select the most appropriate one-word substitution for the given words.

A place where gambling games are played

Select the most appropriate one-word substitution for the given words.

A partner in crime

Choose the word that can substitute the given group of words.

A fall of water from a great height

Select the option that can be used as a one-word substitute for the given group of words.

One who is well versed in many languages

Direction: In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

To rummage about in a place or container in search of something.

Select the option that can be used as a one-word substitute for the given group of words.

A keeper or custodian of a museum