Select the option that can be used as a one-word substitute for the given group of words. A person who walks in his/her sleep
Somnambulist
Understanding One-Word Substitutes for Sleepwalking
One-word substitution is a common part of English vocabulary that helps to make language concise and effective. It involves using a single word to replace a phrase or a clause while retaining the original meaning. This question asks for a single word that describes a person who walks while they are asleep.
Analysing the Given Phrase: "A person who walks in his/her sleep"
The core meaning here is performing the act of walking while in a state of sleep. This is a specific type of sleep disorder.
Evaluating the Options
Let's examine each provided option to determine which one correctly serves as a one-word substitute for a person who walks in their sleep.
- Somnambulist: This word comes from Latin roots: 'somnus' meaning sleep, and 'ambulare' meaning to walk. Therefore, a somnambulist is literally a person who walks while sleeping. This perfectly matches the description in the question.
- Exorcist: An exorcist is a person who performs the ritual of exorcism, which is intended to drive out evil spirits. This word has no relation to sleep or walking in one's sleep.
- Atheist: An atheist is a person who does not believe in the existence of God or gods. This term is related to religious or philosophical belief and has nothing to do with sleepwalking.
- Ventriloquist: A ventriloquist is an entertainer who can make their voice appear to come from a puppet or dummy by speaking without moving their lips. This skill is unrelated to sleep or walking while asleep.
Identifying the Correct One-Word Substitute
Based on the analysis of each option, the term that precisely describes a person who walks in their sleep is Somnambulist.
Here is a summary:
| Phrase | Meaning | One-Word Substitute |
|---|---|---|
| A person who walks in his/her sleep | Someone who walks while asleep | Somnambulist |
Conclusion on the One-Word Substitute
The word Somnambulist is the accurate one-word substitute for the phrase "A person who walks in his/her sleep".
Revision Table: Vocabulary Terms
| Word | Meaning | Relevance to Sleepwalking |
|---|---|---|
| Somnambulist | A person who walks in their sleep. | Directly relevant |
| Exorcist | A person who performs exorcisms. | Not relevant |
| Atheist | A person who does not believe in God. | Not relevant |
| Ventriloquist | An entertainer who projects their voice. | Not relevant |
Additional Information: Terms Related to Sleep
Besides somnambulism (sleepwalking), there are other interesting terms related to sleep:
- Somniloquy: Talking in one's sleep.
- Insomnia: The inability to sleep.
- Narcolepsy: A chronic sleep disorder characterized by overwhelming daytime drowsiness and sudden attacks of sleep.
- Hypersomnia: Excessive sleepiness.
Understanding these terms helps build a stronger vocabulary related to sleep and sleep disorders.
Important Questions from Miscellaneous
Which gas shields the surface of the earth from ultraviolet radiation from the sun?
Which event is marked as an Intangible Cultural Heritage of Humanity by UNESCO?
Who has been conferred with the rank of the Commander of the Order of the British Empire in 2018?
Who directead the film ‘Bhuvan Shome’?
The book “In my mother’s house” is written by _______
