less‧er [only before noun]
not as large, as important, or as much as something else [≠ greater]:
They originally asked for $5 million, but finally settled for a lesser sum.
to a lesser extent/degree
This was true in Madrid, and to a lesser extent, Valencia and Seville.
➔ lesser mortalsat mortal2
; ➔ to a greater or lesser extentat extent (1)
the less unpleasant or harmful of two unpleasant choices
used in the names of some types of animal, bird, or plant that are slightly smaller than the main type
the lesser-known artists of the period
one of Glasgow's lesser used venues