Antonyms for the phrase "puts oneself out" might include words like "insouciant," "unconcerned," and "nonchalant." These words imply a lack of effort or concern, or a willingness to let things happen without worrying too much about them. In contrast, "puts oneself out" suggests going to lengths to help or accommodate others, often at some personal inconvenience or inconvenience. Other antonyms might include "disinterested," "aloof," or "reticent," which imply a lack of engagement or involvement; and "self-centered," "egotistical," or "narcissistic," which suggest a preoccupation with one's own needs or interests at the expense of others.