The word "in-nerve" means to give courage or confidence to someone. Its antonyms would be words that describe the opposite of this feeling. Some possible antonyms for "in-nerve" include words such as frighten, intimidate, weaken, dishearten, and discourage. These words suggest a lack of confidence or courage that can leave someone feeling unsure of themselves or even frightened. By knowing the antonyms of a word like "in-nerve," you can better understand the range of meanings it can have and use it more effectively in your writing and communication.