sneaking - definition and synonyms

adjective 

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/ˈsniːkɪŋ/
  1. a sneaking feeling is one that you are not sure about or do not want to have
    a sneaking admiration/respect for someone:

    I have always had a sneaking admiration for him.

    a sneaking suspicion/fear/feeling:

    I had a sneaking suspicion that he wanted me to leave.