Modifiers matching barbiturate:

• lipophilic,
• addictive,

Simple categories matching addictive:

• painkiller,
• drug,
• substance,
• narcotic,
• alkaloid,
• condition,
• pattern,
• benzodiazepine,
• stage,
• medication,
• behaviour,
• foodstuff,
• chemical,
• behavior,
• state,
• compound,
• pastry,
• food,
• amphetamine,
• form,
• disorder,
• analgesic,
• vice,
• poison,
• property,
• sedative,
• taste,
• agent,
• process,
• material,
• product,
• opiate,
• activity,
• emotion,
• stimulant,
• peptide,
• medicine,
• barbiturate,