horrendous

adjective
1
terrible or extremely unpleasant
هولناک, وحشتناک, بسیار ناخوشایند
synonym horrific, horrifying
2
extremely unpleasant and unacceptable
وحشتناک, بسیار بد, هولناک, خیلی بد
horrendous traffic
They have horrendous financial problems.
synonym terrible