Slavish (adjective)

1. Resembling or characteristic of a slave, such as being subservient or lacking independence.
2. Extremely attentive and devoted to someone or something.
3. Being excessively faithful to a model or original.

Origin:

The word slavish comes from the noun "slave" which means a person who is owned and controlled by another person and it means "of or like a slave".

Examples:

1. The workers were slavish in their obedience to the manager's commands.
2. He had a slavish devotion to his mentor, always following his advice.
3. The artist's painting had a slavish adherence to the original, with little variation.
4. She had a slavish adherence to the company policies and always followed them strictly.
5. The new employee's slavish attitude towards the boss was noted by the other workers.