undeteriorated

Not yet degraded

Undeteriorated means not having declined in quality, condition, or value—remaining intact or unspoiled: The undeteriorated manuscripts survived centuries in the dry climate.

The word typically describes physical objects, materials, or structures that have resisted decay or damage over time.

intact

unbroken

Not damaged or interrupted

undamaged · complete · unblemished · unmarred · unharmed · unscathed · unspoiled · untouched · unaltered · sound

stable

enduring

Persisting through time

robust · sturdy · permanent · unchanging · consistent · steady · reliable · well-preserved · unfaded · unweakened

Opposites
physical condition/decay

undeteriorateddeteriorated

Became worse over time

decayed · degraded · worn · decomposed · ruined

Family

deteriorate, deterioration, deteriorated, deteriorating, deteriorations

Familiarity
Top 1,000,000
Profile
Used worldwide · Timeless · Positive · Everyday, not technical · Rated G