IPA: /ʌnˈdʒɔɪntɪd/
KK: /ʌnˈdʒɔɪntɪd/
Not connected at joints; lacking joints or separations.
The unjointed pieces of wood were difficult to assemble into a stable structure.
Unjointed → It is formed from "un-" (meaning not) and "jointed" (from the Old French "jointer", meaning to join). The word "unjointed" means not joined or disconnected.
Think of something that is 'not joined' ('un-') — that's what unjointed means.