Achievabilities refer to the possibilities or likelihood of achieving a certain goal or objective. Opposite to this term are the antonyms impossibilities or unattainabilities. These terms indicate that a particular goal is not achievable and cannot be reached under any circumstances. Other antonyms for achievabilities may include hopelessness, impracticabilities, and infeasibilities. Additionally, synonyms for these antonyms may include difficulties or challenges that make it improbable for a person to attain what they desire. Despite having antonyms that suggest that certain goals are unattainable, it is essential to maintain a positive outlook and strive towards achieving our objectives.