unstably

In wobbly fashion

In an unstable manner—without steadiness, balance, or reliability.

The word describes actions performed with physical wobbling or emotional volatility: The tower was unstably balanced on its narrow base.

More often, writers reach for related forms like *unsteadily* or restructure sentences around *unstable*.

precariously

precariously

In risky unstable manner

insecurely · dangerously · riskily · hazardously · delicately · perilously · unsteadily · treacherously · unsoundly · teetering

structurally

weakly

Without much force

shakily · loosely · crumbly · feebly · swayingly · precariously

erratic

unpredictably

Without foreseeable pattern

sporadically · haphazardly · capriciously · fitfully · unreliably · changeably · intermittently · spasmodically · randomly · chaotically

chemically

reactively

In response to stimulus

corrosively

Opposites
stability/steadiness

unstablystably

Without fluctuation

steadily · securely · firmly · solidly · steadfastly

constancy/reliability

unstablysteadily

In constant, unwavering fashion

constantly · consistently · reliably · stably · dependably

emotional or psychological steadiness

unstablystably

Without fluctuation

steadily · calmly · composedly · evenly · equably

Phrases
Family

unstable, unstableness, unstability

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Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G