Of occupations: Low, mean. Obsolete.

Of an action, activity, occupation, etc.: (considered to be) befitting or suitable for a slave… In general use.

Of employment, a regime, etc.: entailing dull, monotonous work which requires little skill or mental effort, or is characterized by mundane routine.

attributive in sense 2b (frequently as grunt work), usually designating a low-ranking but necessary occupation or task considered dull, menial, or…