When it comes to being ambiguously defined, "senior" is not just any old term. A senior can be someone who's two years out of school, or it can someone of reti

When it comes to being ambiguously defined, "senior" is not just any old term. A senior can be someone who's two years out of school, or it can someone of retirement age (senior citizen), or anything in-between. Given context, an otherwise ambiguous word can be useful. "Senior" needs a lot of context, though.