Noun stumble has 2 senses
  1. lurch, stumble, stagger - an unsteady uneven gait
    --1 is a kind of gait
    Derived form: verb stumble1
  2. trip, trip-up, stumble, misstep - an unintentional but embarrassing blunder; "he recited the whole poem without a single trip"; "he arranged his robes to avoid a trip-up later"; "confusion caused his unfortunate misstep"
    --2 is a kind of blunder, blooper, bloomer, bungle, foul-up, fuckup, flub, botch, boner, boo-boo
    Derived form: verb stumble4
,Verb stumble has 4 senses
  1. stumble, falter, bumble - walk unsteadily; "The drunk man stumbled about"
    --1 is one way to walk
    Derived form: noun stumble1
    Sample sentences:
    Somebody ----s
    Somebody ----s PP
  2. stumble, trip - miss a step and fall or nearly fall; "She stumbled over the tree root"
    --2 is one way to move
    Derived form: noun stumbler1
    Sample sentence:
    Sam and Sue stumble
  3. stumble, hit - encounter by chance; "I stumbled across a long-lost cousin last night in a restaurant"
    --3 is one way to come by
    Sample sentence:
    Somebody ----s PP
  4. stumble, slip up, trip up - make an error; "She slipped up and revealed the name"
    --4 is one way to err, mistake, slip
    Derived forms: noun stumble2, noun stumbler2
    Sample sentence:
    Somebody ----s