Synonyms for Critical

Synonyms starting with letter U

• urgent

  urgently important, crucial, vital
• unfavourable

  censorious
• unsafe

  menacing
• unfavorable
• uncertain

  grave
• uncomplimentary
• 

  ugly

  menacing
• unflattering
• underlying
• unfriendly
• unsympathetic

  censorious
• uncompromising
• unsparing
• unstable
• ultimate
• utmost
• uncharitable
• unkind
• upset
• unpredictable
• unpleasant
• unrelenting
• uncomfortable
• ulcerated
• upright
• undependable
• undeviating
• unvarnished
• unerring
• usual
• unexaggerated
• unsatisfied
• unappeased
• unassuaged
• unfulfilled
• ungratified
• unsated
• upsetting
• unhealthy
• unpolluted