The word "far-stretched" can be defined as something that is exaggerated, improbable or unlikely. The antonyms for this word would be words like realistic, believable, credible, and plausible. These words describe things that are more within the realm of possibility, and thus more likely to be true. Other antonyms for "far-stretched" include words like reasonable, logical, sensible, and coherent. These words describe things that are more rational and easier to understand. In general, using antonyms of "far-stretched" can help make language more clear, concise, and effective in communication.