utter       
 verb [ T ]  formal uk/ˈʌt.ər/ us/ˈʌ.t̬ɚ/
C2 说;讲;出声
to say something or to make a sound with your voice
  She sat through the whole meeting without uttering a word. 整个会议期间她一言不发。 
 utter       
adjective [ before noun ] uk/ˈʌt.ər/ us/ˈʌ.t̬ɚ/
C2 完全的;十足的;极度的
complete or extreme
  utter confusion/misery/chaos 极度的困惑/不幸/混乱 
 utter nonsense/rubbish/drivel 一派胡言 
 The meeting was a complete and utter waste of time. 这个会议完全是浪费时间。 
 Lying back in the hot bath was utter bliss. 泡热水澡真是神仙般的享受。 
 - More examples
 - I made a complete and utter mess of it!
 - a feeling of utter desolation
 - The accusations are utter nonsense.
 - As he walked through the door, she stared at him in utter bewilderment.
 - She had a look of utter devastation on her face.