Synonyms for Impugnable

Synonyms starting with letter H

• hazy

  doubtful, questionable
• hazardous

  tricky, doubtful, questionable
• hairy

  tricky
• hanging by a thread

  tricky
• hanging by thread
• hot shot
• having know-how
• having the goods
• having something on the ball
• having the right stuff
• hellacious
• hard to believe