Yes, an INFJ can be shy. Shyness is a common trait among INFJs due to their introverted nature and their tendency to be highly sensitive to their environment. INFJs are known for their deep introspection, empathy, and strong intuition, which can make them more reserved and cautious in social situations.

INFJs are often deeply concerned about the well-being of others and have a strong desire to connect with people on a meaningful level. However, their shyness can sometimes hinder their ability to initiate or maintain social interactions. They may feel anxious or self-conscious in unfamiliar or large social settings, preferring smaller, more intimate gatherings where they can engage in deeper conversations.

INFJs also have a rich inner world and may spend a significant amount of time reflecting on their thoughts and emotions. This introspective nature can sometimes make them appear withdrawn or distant, further contributing to their shyness. They may feel more comfortable observing and listening rather than actively participating in conversations or group activities.

Additionally, INFJs are highly attuned to the emotions and energy of others, which can be overwhelming for them in social situations. They may be more sensitive to criticism or rejection, leading them to be more cautious and reserved in their interactions. This sensitivity can also make them more hesitant to open up and share their thoughts and feelings with others, contributing to their shyness.

It's important to note that shyness is not a defining characteristic of all INFJs, as individuals can vary greatly within any personality type. Some INFJs may have developed strategies to overcome their shyness and feel more comfortable in social situations, while others may embrace their shyness as a part of their personality. Ultimately, shyness is just one aspect of an INFJ's personality and does not define their entire being.