PRECARIOUS meaning : not safe, strong, or steadyThe government is in a precarious position. [=a dangerous position that must be dealt with carefully] Grab for the adjective precarious when something is unstable, dangerous or difficult and likely to get worse. Are you totally broke and the people you owe money to keep calling? You're in a precarious financial situation! Master the word " PRECARIOUS " in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource. Definition of precarious adjective in Oxford Advanced Learner's Dictionary. Meaning , pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.