The phrase "sticked neck out" refers to taking a risk or making oneself vulnerable in a situation. Antonyms for this term would include playing it safe, being cautious, or avoiding any potential conflicts or challenges. Those who are hesitant to stick their neck out are often seen as reserved, rational, or pragmatic. Conversely, individuals who frequently take risks and push themselves outside of their comfort zones are often seen as bold, confident, and daring. While there are certainly risks involved with sticking your neck out, it can also lead to great rewards and opportunities that wouldn't be possible otherwise.