precariously
Definitions
In a way that is dangerously likely to fall or collapse.
In a manner dependent on chance, uncertain, or insecure circumstances.
Examples
The vase was balanced precariously on the edge of the narrow shelf.
He stood precariously on the ladder while trying to reach the high ceiling.
Synonyms
unsafely insecurely dangerously unsteadily perilously hazardously shakily