1. (adjective) producing distorted sensory perceptions and feelings or altered states of awareness or sometimes states resembling psychosis

• psychoactive
• psychotropic

2. (adjective) having the vivid colors and bizarre patterns associated with psychedelic states

• colorful
• colourful

3. (adjective) (of a mental state) characterized by intense and distorted perceptions and hallucinations and feelings of euphoria or sometimes despair

• agitated

1. (adjective) producing distorted sensory perceptions and feelings or altered states of awareness or sometimes states resembling psychosis

• psychedelia