1. Ostentatiously lofty in style
   - bombastic, large, orotund, tumid, turgid

See also: rhetorical

• insurgency
• insurgent
• insurmountable
• insurmountably
• insurrection
• insurrectional
• insurrectionary
• insurrectionism
• insurrectionist
• insusceptible
• intact
• intactness
• intaglio
• intaglio printing
• intake
• intake manifold
• intake valve
• intangibility
• intangible
• intangible asset
• intangibleness
• intangibly
• intarsia
• integer
• integrability