The phrase "are at beck and call" typically describes someone who is always available and ready to serve or assist another person. Antonyms for this phrase might include "independent," "unavailable," "unresponsive," "unwilling," or "unobliging." Someone who is independent may not be readily available to assist others, preferring to work on their own projects or answer only to their own needs. Similarly, someone who is unwilling or unobliging may be wholly uninterested in providing help or assistance to others. Others may simply be unavailable due to other commitments or scheduling conflicts. Regardless of the reason, antonyms for "are at beck and call" describe individuals who are not always available for service or assistance.