Defenseless
Part of speech: adjective
Definition: Lacking any form of defense; vulnerable; open to attack.
Vulnerable
Part of speech: adjective
Definition: More or most likely to be exposed to the chance of being attacked or harmed, either physically or emotionally.More likely to be exposed to Malicious programs or viruses.
Example sentence: I've had my heart broken in a lot of different ways a lot of different times by different people - whether it be a family member, a girlfriend, a friend, just all types of relying on people, making yourself vulnerable to people.