Half-taught refers to someone who has only received a partial education or whose knowledge on a particular subject is limited. Synonyms for this term include semi-educated, deficiently trained, incompletely instructed, inadequately tutored, unskilled, and untrained. Other related terms include ignorant, inexperienced, unseasonable, unschooled, unsophisticated, and untutored. These words suggest that someone lacks sufficient knowledge and experience to fully understand a particular subject. It's important to recognize that half-taught doesn't necessarily mean unintelligent, but rather is a result of limited access to educational opportunities or lack of thorough instruction.