lesser
adj.adj. smaller in size, amount, or importance when compared to something else. You use this to describe the second-best or less important version of two things.
adj. lower in status, quality, or magnitude than another entity. Often functions as a comparative adjective that does not take 'than' directly, instead modifying a noun to distinguish it from a primary or 'greater' counterpart.
He was content to play a lesser role in the play.
While the main storm missed the city, a lesser gale caused minor damage to several coastal properties.
The treaty was signed by the major powers, though several lesser nations felt their specific territorial concerns had been ignored during the final negotiations.
Typically used as an attributive adjective before a noun. It is a comparative form that does not follow the standard 'adjective + than' construction.
This task is lesser than that oneThis task is smaller than that oneLesser is rarely used as a predicate adjective after 'is'; it usually sits before a noun.