* Receptive means open to new ideas or suggestions, willing to listen and learn.
* Aloof means distant, reserved, and uninterested in engaging with others.
Here are some examples:
* Receptive: "The audience was receptive to the speaker's message."
* Aloof: "He remained aloof from the group, not wanting to participate in their conversation."
Therefore, "receptive" and "aloof" are antonyms.