1. Stopping short and refusing to go on
   - balking [N. Amer], balky, baulking [Brit]

See also: intractable

• nonmetal
• nonmetallic
• nonmetamorphic
• nonmigratory
• nonmilitary
• nonmodern
• nonmonotonic
• nonmotile
• nonmoving
• nonmusical
• nonnative
• nonnatural
• nonnegative
• nonnomadic
• nonnormative
• nonobjective
• nonobligatory
• nonobservance
• nonobservant
• nonoccurrence
• nonopening
• nonoperational
• nonoscillatory
• nonparallel
• nonparametric