block B1

/blɑk/ To stop something or someone from moving or making progress.

blockheaded C2+

/ˈblɑkˌhɛdɪd/ stupid or stubbornly obtuse

bloc C2+

/blɑk/ a group of countries or parties united by a common interest or purpose

blockade C2+

/blɑˈkeɪd/ the sealing off of a place to prevent goods or people entering or leaving

blockheadedness C2+

/ˈblɑkˌhɛdɪdnəs/ the quality of being stupid or obtusely dull-witted