Definition of underside in English:

underside

noun

  • 1The bottom or lower side or surface of something.

    ‘the butterfly's wings have a mottled brown pattern on the underside’
    • ‘But the flames quickly spread along the underside of the thatch and in less than two hours the whole building was gutted.’
    • ‘By the next day her lips had swelled and turned the pale, pinkish hue of the underside of her tongue.’
    • ‘He was about 5ft 7in, with the start of a beard and a scar or mark on the underside of his forearm.’
    • ‘They are tough plastic hooks which are secured to table legs and the underside of tables, so people can attach their bags or coats to them.’
    • ‘Sure enough, on examining the underside of the toast we discovered it was indeed covered in little black garlicky burnt bits.’
    • ‘I've been quite enjoying the bearded look even though my beard is a bit strange: it pretty much only grows on the underside of my chin.’
    • ‘He can see crows nesting on the underside of tree branches, and leaves fluttering down to the sky.’
    • ‘On the underside of his ruler was a list of all the Trig functions.’
    • ‘Seeds appear to have been produced on the underside of the leaf, with the leaf edges rolled over to form an enclosing chamber.’
    • ‘If you are able without bad consequence to examine the underside of a rattlesnake, do so.’
    • ‘It is also a good time to clean the underside of the deck and remove grass clippings and leaves.’
    • ‘He deftly chipped the goalkeeper via the underside of the crossbar.’
    • ‘There is also a rear loading ramp which forms the underside of the rear fuselage.’
    • ‘It does not seem too bad when you are driving over it, apart from the little stones that jump up and damage the underside of the car.’
    lower side, underneath, undersurface, undercarriage, underpart, belly, underbelly
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    1. 1.1 The less favorable aspect of something.
      ‘the sordid underside of the glamorous 1980s’
      • ‘Do you think that folks are getting a lesson in civics or seeing the underside of politics?’
      • ‘The right type of Englishman is comfortable dealing with the underside of places like this.’
      reverse, reverse side, other side
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Pronunciation

underside

/ˈəndərˌsīd//ˈəndərˌsaɪd/