Synonyms for Lesser:

adj.

inferior (adjective)
second, underling, below, subject, inferior, junior, subservient, under, dependent, subordinate.
inferior, secondary (adjective)
small, low, subordinate, minor, lower.
lower (adjective)
lower.
unimportant (adjective)
small.

n.

subsidiary, ancillary, in descending order, incidental, collateral. over, lower, minor, least, minor league, smalltime, nowhere/not anywhere near, subaltern, not so... (as), the next best/largest/smallest etc., petty, secondary, low. flightless, common, great, fledged, crested, gregarious, webbed, migratory, full-fledged. inferior (noun)
secondary, minor.
lesser (noun)
small, little.

Other synonyms:

flightless, collateral, least, fledged, crested, migratory, smalltime, webbed, gregarious. minor league, secondary, ancillary, full-fledged, subaltern, subsidiary. incidental. petty, low, common. great. secondary
minor.
Other relevant words:
little, petty, full-fledged, subaltern, minor, ancillary, common, secondary, least, flightless, smalltime, lower, minor league, subsidiary, incidental, fledged, small, low.

Usage examples for lesser

  1. These lesser planets, to the number of more than four hundred, are also among the earth's neighbours. – The Story of the Heavens by Robert Stawell Ball
  2. His Majesty, I said to myself, is above all these lesser folk, and will see that no wrong is done. – Oddsfish! by Robert Hugh Benson
  3. And as it is with the greater laws, so it should, the Buddhist thinks, be with the lesser laws. – The Soul of a People by H. Fielding