1. (noun) being abnormally tolerant to and dependent on something that is psychologically or physically habit-forming (especially alcohol or narcotic drugs)

• addiction
• dependance
• dependence
• dependency

1. (noun) being abnormally tolerant to and dependent on something that is psychologically or physically habit-forming (especially alcohol or narcotic drugs)

• physical condition
• physiological condition
• physiological state

2. (noun) a general accommodation to unchanging environmental conditions

• accommodation
• adjustment
• fitting

1. (noun) being abnormally tolerant to and dependent on something that is psychologically or physically habit-forming (especially alcohol or narcotic drugs)

• drug addiction
• white plague

1. (noun) being abnormally tolerant to and dependent on something that is psychologically or physically habit-forming (especially alcohol or narcotic drugs)

• narcotic

1. (noun) being abnormally tolerant to and dependent on something that is psychologically or physically habit-forming (especially alcohol or narcotic drugs)

• accustom
• habituate
• addict
• hook
• dependant
• dependant
• dependent
• dependent
• drug-addicted
• drug-addicted
• hooked
• hooked
• strung-out
• strung-out

2. (noun) a general accommodation to unchanging environmental conditions

• accustom
• habituate