less·er/`lɛsə; ˈlesə/ adj [only before noun 仅用于名词前] 1formal not as large or important as something else 【正式】 更小[少]的; 次要的: a lesser sum 较小的金额 2 the lesser of two evils the less unpleasant or harmful of two bad choices 两害之较轻者 3 lesser known not as well known as others 较不闻名的: a lesser known French poet 不甚知名的法国诗人