An implement or device used to carry out a specific function.

A resource or means used for a particular purpose, often metaphorically.

संसाधन

English Usage: Education is a rough tool for survival in the modern world.

Hindi Usage: शिक्षा आज की दुनिया में जीवित रहने के लिए एक महत्वपूर्ण संसाधन है।

Having an uneven or irregular surface.

Not carefully made or constructed; crude.

कच्चा

English Usage: The rough sketches were enough to convey the idea.

Hindi Usage: कच्चे स्केच विचार व्यक्त करने के लिए पर्याप्त थे।