dubiousness dubiousness /ˈduːbiəsnɪs/

noun

1. Uncertainty about the truth, factuality or existence of something  ( doubtfulness , dubiousness , doubt , question )
   uncertainty about the truth, factuality or existence of something
    The dubiousness of his claim
   the dubiousness of his claim
    There is no question about the validity of the enterprise
   there is no question about the validity of the enterprise
   
   
2. The state of being unsure of something  ( doubtfulness , dubiety , dubiousness , doubt , incertitude , uncertainty )
   the state of being unsure of something
   

 oestrus oestrus /ˈiːstrəs/

noun

1. [British] Applies to nonhuman mammals: a state or period of heightened sexual arousal and activity  ( estrus [ N. American] , oestrus [British] , rut , heat )
   applies to nonhuman mammals: a state or period of heightened sexual arousal and activity
   
   

 Oestrus

1. Type genus of the Oestridae: sheep botflies  ( genus Oestrus , Oestrus )
   type genus of the Oestridae: sheep botflies
   

 incrustation incrustation /ˌɪnkrəˈsteɪʃən/

noun

1. A decorative coating of contrasting material that is applied to a surface as an inlay or overlay  ( encrustation , incrustation )
   a decorative coating of contrasting material that is applied to a surface as an inlay or overlay
   
   
2. A hard outer layer that covers something  ( crust , encrustation , incrustation )
   a hard outer layer that covers something
   
3. The formation of a crust  ( encrustation , incrustation )
   the formation of a crust
   
   

 sleeveless sleeveless /ˈsliːvlɪs/

adjective

1. Unproductive of success  ( bootless , sleeveless , fruitless , futile , vain )
   unproductive of success
    A fruitless search
   a fruitless search
    Futile years after her artistic peak
   futile years after her artistic peak
    A sleeveless errand
   a sleeveless errand
    A vain attempt
   a vain attempt
   
2. Having no sleeves  ( sleeveless )
   having no sleeves
    Sleeveless summer dresses
   sleeveless summer dresses