'Frailty, thy name is woman'. Here 'thy' is a/an-

He is friendly with his friends. Underlined word is- 'He was a rather disagreeable man.' Here the underlined word is a/an - Look at the flying bird. Here 'flying' is a/an? Are you an early riser ? Here early is: The word 'vital' is a/an- Every man has potential. Here Every is a/an- Adjective of the word 'trouble' is--- The journey was pleasant. Here 'pleasant' is- Still waters run deep. এখানে Still শব্দটি- Examinations are frightening." Here 'Frightening' is