Afield means away from home or away from a familiar place, often traveling to distant or unexpected areas. When explorers venture far afield, they journey to remote regions most people never visit. A scientist studying rare butterflies might travel far afield to find them in distant rainforests.

The word also describes going beyond your usual limits or straying from your main topic. If you're writing an essay about your hometown and suddenly start discussing ancient Rome, you've wandered too far afield from your subject. A detective who considers suspects far afield from the obvious choices is looking beyond the most likely possibilities.

You'll often see “far afield” used together, though “afield” works on its own too. In sports, if a ball is hit and ends up out in the playing area, you could say it's afield, meaning it's out in the field, away from where the players were standing at the start.

The word suggests both physical distance and the idea of ranging widely, exploring beyond familiar boundaries. Whether you're literally traveling to distant places or figuratively exploring unusual ideas, going afield means venturing away from where you normally stay.