An inability to perform purposeful learned movements despite having the physical ability and desire to do so, caused by brain damage.
From Greek 'a-' (without) + 'praxis' (action, doing). The inability to carry out motor plans.
Apraxia is knowing HOW to do something but your brain can't execute the plan — like forgetting how to use a fork even though your hand works fine.
Complete word intelligence in one call. Free tier — 50 lookups/day.