There are several synonyms for the phrase "by one's own effort." Some of the commonly used ones include "on one's own," "independently," "solo," "unassisted," "single-handedly," "individually," "autonomously," "without help," "in one's own steam," and "under one's own strength." These phrases describe an individual's capability to accomplish something without any external assistance. Whether it's achieving a personal goal, completing a task, or solving a problem, doing it by one's own effort implies a sense of self-reliance and determination. Synonyms for this phrase can be useful for making our writing more varied, expressive and engaging.