Antonyms for the word "spectroscopy nuclear magnetic resonance" are many and varied. Some of the most common antonyms include non-magnetic, non-resonant, non-invasive, non-intrusive, and non-destructive. These words all describe techniques or methods that are not based on the same principles as spectroscopy nuclear magnetic resonance. Other antonyms might include words like analog, manual, and traditional, which suggest approaches to research or analysis that are less reliant on advanced technology or technical expertise. Ultimately, the antonyms for "spectroscopy nuclear magnetic resonance" are those methods, techniques, or approaches that do not rely on the same principles or technologies as NMR spectroscopy.