Definitions:

1. A person with extreme views or behavior, especially in politics. NOUN
   • The party's ultras pushed for radical reforms.
2. Beyond, extreme, or exceeding, common in compound words. PREFIX
   • Ultraviolet, ultrasound, ultrarich.
3. Extremelly or excessively; something going beyond what is usual or accepted. ADJECTIVE
   • He holds ultra conservative views.
   • They used ultra modern equipment in the lab.

Synonyms:

• excessive
• extreme
• fanatical
• over-the-top
• radical

NearBy Words:

• ultracentrifugation
• ultracentrifuge
• ultraconservative
• ultracrepidarian
• ultracrepidarianism
• ultramarine
• ultramicroscope
• ultramicroscopic
• ultramodern
• ultramontane
• ultramontanism
• ultranationalism
• ultranationalistic
• ultrasonic
• ultrasonically
• ultrasonography
• ultrasound
• ultrasuede
• ultraviolet