Thread-like refers to something that is thin and elongated like a thread. There are several synonyms for thread-like that can be used to describe something with similar characteristics. Some of these synonyms include filamentous, fibrous, wiry, stringy, and slender. Filamentous is used to describe something that is made up of fine filaments or threads. Fibrous refers to something that is composed of fibers or resembling fibers. Wiry is used to describe something that is thin and tough, like a wire. Stringy refers to something that is long and slender like a string. Slender describes something that is thin and graceful and may also be used to describe the shape of a thread-like object. These synonyms have similar meanings and can be used interchangeably in different contexts.