Cool MateExistence vs Lifetime
When to use each in English, with meaning, register, and examples.
Existence
Top 2,000 (common)B2noun
Lifetime
Top 2,000 (common)B2noun
| Existence | Lifetime | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ɪɡˈzɪstəns/"]/🇺🇸 /["/ɪɡˈzɪstəns/"]/ | 🇬🇧 /["/ˈlaɪftaɪm/"]/🇺🇸 /["/ˈlaɪftaɪm/"]/ |
| Meaning | The state of being real or living. | The length of time someone lives or something lasts. |
| Example | The existence of parallel universes is a fascinating concept in physics. | She has dedicated her lifetime to studying rare plants. |
| Register | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 2,000 (common) |
| CEFR level | B2 | B2 |
| Part of speech | noun | noun |
| Collocations | actual, real, possible, be in, have, come into, depend on something, depend upon something, in existence, the struggle for existence, bare, hand-to-mouth, meagre/meager, enjoy, have, lead, a mode of existence | long, short, entire, devote, spend, take (somebody), achievement, appointment, employment, after a lifetime, during somebody’s lifetime, in your lifetime, the habits of a lifetime, a legend in your own lifetime, half a lifetime |
| Antonyms | nonexistence, nothingness | short-lived, temporary, ephemeral |
| Common mistakes | Confused with 'existent', which is a different form., Using 'existence' in place of 'presence', which has a different meaning., Mispronouncing it, often omitting the 'x' sound. | Confused with 'life span' — 'lifetime' refers to the duration more broadly., Using 'lifetime' to describe specific events instead of overall duration., Incorrectly pluralizing to 'lifetime's'. |
| Usage notes | Use 'existence' in both formal and informal discussions about reality. Avoid in casual conversations where simpler terms like 'life' suffice. | Use 'lifetime' to describe the duration of a person's life, a period of existence, or the duration of an object or concept. It's suitable for both spoken and written English. Avoid using 'lifetime' in very casual conversations where simpler terms like 'time' or 'years' may suffice. |
Frequently asked questions: Existence vs Lifetime
What's the difference between Existence and Lifetime?
Existence: The state of being real or living. Lifetime: The length of time someone lives or something lasts.
Are Existence and Lifetime the same CEFR level?
Existence: B2, Lifetime: B2 on the CEFR scale.
Can I use Existence and Lifetime interchangeably?
Not always. Existence and Lifetime are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.