1. Without grace; rigidly
   - ungraciously, ungracefully, woodenly 
2. In a graceless manner
   "she moves rather gracelessly"

See also: graceless

Antonym: gracefully

• insurgence
• 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