Key Learnings
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Definition: prevent access to or from (an area or building) by surrounding it with police or other guards
Synonyms: screen, isolate, surround
Antonym: - -
Definition: to prevent someone or something from being successful
Synonyms: thwart, hinder, defeat, hamper, prevent
Antonym: help, assist, abet, encourage -
Definition: a soldier who guards a place, usually by standing at its entrance
Synonyms: guard, watchman, patrolman, scout
Antonym: -