Adjective troubling has 1 sense
  1. distressing, distressful, disturbing, perturbing, troubling, worrisome, worrying - causing distress or worry or anxiety; "distressing (or disturbing) news"; "lived in heroic if something distressful isolation"; "a disturbing amount of crime"; "a revelation that was most perturbing"; "a new and troubling thought"; "in a particularly worrisome predicament"; "a worrying situation"; "a worrying time"
    Antonym: light (indirect, via heavy)
,Verb trouble has 5 senses
  1. disturb, upset, trouble - move deeply; "This book upset me"; "A troubling thought"
    --1 is one way to affect, impress, move, strike
    Derived forms: noun trouble5, noun trouble3
    Sample sentence:
    The bad news will trouble him
  2. trouble, put out, inconvenience, disoblige, discommode, incommode, bother - to cause inconvenience or discomfort to; "Sorry to trouble you, but..."
    --2 is one way to affect, impact, bear upon, bear on, touch on, touch
    Derived form: noun trouble1
    Sample sentences:
    Somebody ----s somebody
    Something ----s somebody
  3. perturb, unhinge, disquiet, trouble, cark, distract, disorder - disturb in mind or make uneasy or cause to be worried or alarmed; "She was rather perturbed by the news that her father was seriously ill"
    --3 is one way to disturb, upset, trouble
    Derived forms: noun trouble5, noun trouble3
    Sample sentence:
    The bad news will trouble him
  4. trouble oneself, trouble, bother, inconvenience oneself - take the trouble to do something; concern oneself; "He did not trouble to call his mother on her birthday"; "Don't bother, please"
    --4 is one way to strive, reach, strain
    Derived form: noun trouble4
    Sample sentences:
    Something ----s
    Somebody ----s to INFINITIVE
  5. afflict, trouble, ail, pain - cause bodily suffering to
    --5 is one way to hurt
    Derived form: noun trouble3
    Sample sentence:
    Something ----s somebody
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