Correct Answer & Explanation
Option A
• The word 'Default' means failure to fulfill an obligation, especially to repay a loan or appear in a court of law. Among the given options:
• 'Lapse' means a temporary failure of concentration, memory, or judgment, or a failure to maintain a standard or fulfill an obligation.
• 'Purify' means to remove contaminants from.
• 'Accelerate' means to increase speed.
• 'Disinfect' means to clean (something) with a disinfectant in order to destroy bacteria.
• Therefore, 'Lapse' is the correct synonym, as it implies a failure or omission.