1. With spasms
   - spasmodically 
2. With jerking motions
   "She rose stiffly, jerkily from the window seat"

See also: jerky

• inestimable
• inestimably
• inevitability
• inevitable
• inevitable accident
• inevitableness
• inevitably
• inexact
• inexactitude
• inexactly
• inexactness
• inexcusable
• inexcusably
• inexhaustible
• inexhaustibly
• inexistence
• inexistent
• inexorability
• inexorable
• inexorableness
• inexorably
• inexpedience
• inexpediency
• inexpedient
• inexpediently