One who travels through the physical plane of existence into the spiritual plane of existence through the unadulterated use of Dimethyltryptamine, in order to explore and discover the truth behind life, human existence and the meaning there of, recording the events into precise documentation so as to expand the consciousness of the human mind.
Through the use of N,N-Dimethyltryptamine, Mr. Smith traveled to alternate planes of existence as a psychonaut, contacting intelligent life in order to be enlightened with the truth of his existence.
by Zr0w69 March 14, 2016
 Get the psychonautmug.
Get the psychonautmug. One who explores human mind, often doing all kinds of wierd experiments and watching peoples' gestures, words, reactions very closely.
by Zmikavt October 16, 2006
 Get the psychonautmug.
Get the psychonautmug. Someone who has been through a profound psychadelic experience and while being in a normal state can remember and reflect on that experience and know that for just a few hours they really had it all figured out. 
A person who seeks a deeper understanding of what "IS" through psychadelic experiences.
A person who seeks a deeper understanding of what "IS" through psychadelic experiences.
by Arrr Teee March 27, 2012
 Get the Psychonautmug.
Get the Psychonautmug. A true Psychonaut is that who seeks the truth through meditation, psychedelics, yoga. He who seeks the truth does not care if it's pleasant or unpleasant, all they want is the absoloute truth.
by Psychonaut326823 January 5, 2022
 Get the Psychonautmug.
Get the Psychonautmug. The field of study which relates to spending time exploring the universe right inside one's own head. Usually with drugs/yoga/meditation. These people are on a quest to discover the self, and usually can be considered "realists".
Psychonautics (from the Ancient Greek ψυχή psychē 'soul, spirit, mind' and ναύτης naútēs 'sailor, navigator')1 refers both to a methodology for describing and explaining the subjective effects of altered states of consciousness, including those induced by meditation or mind-altering substances, and to a research cabal in which the researcher voluntarily immerses themselves into an altered mental state in order to explore the accompanying experiences.
by Diaphenous August 31, 2022
 Get the Psychonauticsmug.
Get the Psychonauticsmug. A fictional form of secrete agent, localized to the field of paranormal investigation and the exploration of humanity's psychic ability's. Their single appearance in fiction, can be seen in Tim Schafers: Psychonauts
by Boyd Cooper March 12, 2012
 Get the Psychonautmug.
Get the Psychonautmug. a person who takes all the loot and does muscle things and swims and takes pictures with no shirt of himself with no shirt on and so there.
That man is a psychonaut
by LightningGoat June 3, 2009
 Get the psychonautmug.
Get the psychonautmug.