Definition of lesser in English:

lesser

adjective

  • 1[attributive] Not so great or important as the other or the rest.

    ‘he was convicted of a lesser assault charge’
    ‘they nest mostly in Alaska and to a lesser extent in Siberia’
    less important, minor, secondary, subsidiary, marginal, ancillary, auxiliary, supplementary, supplemental, peripheral
    View synonyms
    1. 1.1Lower in rank or quality.
      ‘you're looking down your nose at us lesser mortals’
      • ‘He showed no signs of jet lag, again something lesser mortals complain of.’
      • ‘Instead, it's how they deal with the stuff that would sink a far lesser talent.’
      • ‘Perhaps lesser mortals in this field should wait for the hearings?’
    2. 1.2Used in names of animals and plants which are smaller than similar kinds, e.g. lesser spotted woodpecker, lesser celandine.

Origin

Middle English: a double comparative, from less + -er.

Pronunciation:

lesser

/ˈlɛsə/