Thesaurus.com
Dictionary.com
Definitions

impermanence

[im-pur-muh-nuhns] / ɪmˈpɜr mə nəns /
NOUN
brevity
Synonyms
STRONG
conciseness concision condensation crispness curtness economy ephemerality pithiness pointedness succinctness terseness transience transitoriness
Antonyms
WEAK
lengthiness longevity permanence
NOUN
insecureness
Synonyms
STRONG
alternation anxiety capriciousness changeability changeableness disequilibrium disquiet fickleness fitfulness flightiness fluctuation fluidity frailty hesitation immaturity inconsistency inquietude insecurity irregularity irresolution mutability oscillation pliancy precariousness restlessness shakiness transience uncertainty unpredictability unreliability unstableness unsteadiness vacillation variability volatility vulnerability wavering weakness
WEAK
unfixedness unsureness
Antonyms
STRONG
calm certainty ease peace strength sureness
NOUN
instability
Synonyms
STRONGEST
anxiety fluctuation insecurity uncertainty volatility vulnerability weakness
STRONG
alternation capriciousness changeability changeableness disequilibrium disquiet fickleness fitfulness flightiness fluidity frailty hesitation immaturity inconsistency inquietude irregularity irresolution mutability oscillation pliancy precariousness restlessness shakiness transience unpredictability unreliability unsteadiness vacillation variability wavering
WEAK
unfixedness
Antonyms
STRONG
calm
WEAK
balance constancy soundness stability steadfastness
NOUN
mortality
Synonyms
STRONG
being ephemerality flesh humanity humankind temporality transience
WEAK
Homo sapiens human race
Antonyms
WEAK
animal life inhumanness plant life
NOUN
precariousness
Synonyms
STRONG
alternation anxiety capriciousness changeability changeableness disequilibrium disquiet fickleness fitfulness flightiness fluctuation fluidity frailty hesitation immaturity inconsistency inquietude insecureness insecurity irregularity irresolution mutability oscillation pliancy restlessness shakiness transience uncertainty unpredictability unreliability unstableness unsteadiness vacillation variability volatility vulnerability wavering weakness
WEAK
unfixedness unsureness
Antonyms
STRONG
calm certainty ease peace strength sureness
NOUN
ricketiness
Synonyms
STRONG
alternation anxiety capriciousness changeability changeableness disequilibrium disquiet fickleness fitfulness flightiness fluctuation fluidity frailty hesitation immaturity inconsistency inquietude insecurity instability irregularity irresolution mutability oscillation pliancy precariousness restlessness shakiness transience uncertainty unpredictability unreliability unsteadiness vacillation variability volatility vulnerability wavering weakness
WEAK
unfixedness wobbliness
Antonyms
STRONG
calm certainty ease peace strength sureness
NOUN
shakiness
Synonyms
STRONG
alternation anxiety capriciousness changeability changeableness disequilibrium disquiet fickleness fitfulness flightiness fluctuation fluidity frailty hesitation immaturity inconsistency inquietude insecureness insecurity irregularity irresolution mutability oscillation pliancy precariousness restlessness transience uncertainty unpredictability unreliability unstableness unsteadiness vacillation variability volatility vulnerability wavering weakness
WEAK
unfixedness unsureness
Antonyms
STRONG
calm certainty ease peace strength sureness
NOUN
unstableness
Synonyms
STRONG
alternation anxiety capriciousness changeability changeableness disequilibrium disquiet fickleness fitfulness flightiness fluctuation fluidity frailty hesitation immaturity inconsistency inquietude insecurity instability irregularity irresolution mutability oscillation pliancy precariousness restlessness ricketiness shakiness transience uncertainty unpredictability unreliability vacillation variability volatility vulnerability wavering weakness
WEAK
unfixedness wobbliness
Antonyms
STRONG
calm certainty ease peace strength sureness
NOUN
unsteadiness
Synonyms
STRONG
alternation anxiety capriciousness changeability changeableness disequilibrium disquiet fickleness fitfulness flightiness fluctuation fluidity frailty hesitation immaturity inconsistency inquietude insecurity instability irregularity irresolution mutability oscillation pliancy precariousness restlessness ricketiness shakiness transience uncertainty unpredictability unreliability vacillation variability volatility vulnerability wavering weakness
WEAK
unfixedness wobbliness
Antonyms
STRONG
calm certainty ease peace strength sureness
NOUN
unsureness
Synonyms
WEAK
alternation anxiety capriciousness changeability changeableness disequilibrium disquiet fickleness fitfulness flightiness fluctuation fluidity frailty hesitation immaturity inconsistency inquietude insecureness insecurity irregularity irresolution mutability oscillation pliancy precariousness restlessness shakiness transience uncertainty unfixedness unpredictability unreliability unstableness unsteadiness vacillation variability volatility vulnerability wavering weakness

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

At times, Day said the inherent impermanence of the spotlight gets to her.

From Los Angeles Times • Apr. 3, 2026

While you meditate you brood on the impermanence of all things, including yourself, and envision yourself as a corpse, lying out on a bier, all life gone.

From The Wall Street Journal • Jan. 9, 2026

Dahlia Lithwick: The book is deliberately rooted in this paradox of permanence and impermanence.

From Slate • Sep. 8, 2025

By all measures, this is a movie that needs to do well, even for a studio that prides itself on the impermanence of its properties.

From Salon • Jul. 25, 2025

Life’s impermanence, I realized, is what makes every single day so precious.

From "The Other Wes Moore: One Name, Two Fates" by Wes Moore