1. superlative form of mirky; darkest, gloomiest, or most obscure
Usage: Also spelled 'murkiest' (more common in modern usage); Often used to describe darkness, obscurity, or unclear situations

Examples

• The mirkiest part of the forest was difficult to navigate at night.
• On the mirkiest days, the lighthouse beam was essential for ships.
• The mirkiest details of the scandal were never fully revealed.
• He peered into the mirkiest corner of the basement with his flashlight.
• The mirkiest waters of the swamp were home to alligators.