razor edge

Definitions

A very thin, sharp edge, as on a cutting blade.

A precarious or tense situation where the outcome is uncertain or dangerous.

Examples

The negotiations are currently balanced on a razor edge, with both sides refusing to compromise.

He walked along the razor edge of the cliff, feeling the cold wind whip against his face.

The team's championship hopes are resting on a razor edge as they head into the final game of the season.

Synonyms

precipice brink verge knife-edge criticality instability tension

Antonyms

stability security safety certainty equilibrium steadiness calm