There are many synonyms for the phrase striking out, which can be used to express a person's unsuccessful attempt to achieve something. Some of the common synonyms include failing, floundering, stumbling, faltering, and struggling. Other similar phrases can also be used, such as missing the mark, falling short, and coming up empty-handed. Additionally, words like whiffing, fizzling, and botching could be used to describe a swing and miss or a complete failure. Whether in sports, academics, or personal goals, striking out can happen to everyone, but with perseverance and determination, success can still be achieved.