© 2026 Sloth Lingo. Learn easy. Lounge wisely.

Exam: Cambridge English: C1 Advanced (CAE)

undecidability

IPA: /ˌʌndɪˈsaɪdəˌbɪlɪti/

KK: /ʌnˌdɪˈsaɪdəˌbɪlɪti/

noun

Definition: The condition where a problem cannot be definitively resolved or determined as true or false.

Example: The concept of undecidability is important in computer science and mathematics.

undecidable

IPA: /ˌʌn.dɪˈsaɪ.də.bəl/

KK: /ʌnˈdɪsaɪdəbəl/

adjective

Definition: Not able to be determined or resolved by a clear decision or rule, especially in a mathematical or logical context.

Example: The problem was deemed undecidable, meaning no algorithm could solve it in a finite amount of time.

undecipherable

IPA: /ˌʌn.dɪˈsaɪ.fər.ə.bəl/

KK: /ʌnˈdɪsˌaɪfərəbəl/

adjective

Definition: Something that is hard to understand or read because it is unclear or confusing.

Example: The ancient script was undecipherable to modern scholars.

undeciphered

IPA: /ˌʌn.dɪˈsaɪ.fərd/

KK: /ʌnˈdɪsəˌfaɪərd/

adjective

Definition: Something that has not been understood or interpreted yet.

Example: The ancient script remains undeciphered despite many attempts by experts.

undecomposed

IPA: /ˌʌndɪˈkoʊmpoʊzd/

KK: /ʌndɪˈkoʊmpoʊzd/

adjective

Definition: Not broken down into smaller parts or components.

Example: The scientist studied the undecomposed material to understand its original state.

undefiled

IPA: /ˌʌn.dɪˈfaɪld/

KK: /ʌndɪˈfaɪld/

adjective

Definition: Not having any stains, marks, or corruption; pure and clean.

Example: The undefiled beauty of the landscape took my breath away.

undefinable

IPA: /ˌʌndɪˈfaɪnəbl/

KK: /ʌndɪˈfaɪnəbl/

adjective

Definition: Something that cannot be clearly defined or described.

Example: The concept of infinity is often considered undefinable.

undemonstrative

IPA: /ˌʌn.dɪˈmɒn.strə.tɪv/

KK: /ʌnˌdɛmənˈstreɪtɪv/

adjective

Definition: Not showing or expressing feelings or emotions openly; keeping feelings to oneself.

Example: He was undemonstrative, rarely showing his emotions even in difficult times.

undeniable

IPA: /ˌʌn.dɪˈnaɪ.ə.bəl/

KK: /ʌnˈdɛnəbl/

adjective

Definition: Something that cannot be denied or disputed; it is clearly true or certain.

Example: The evidence presented in court was undeniable and convinced the jury.

undeniableness

IPA: /ˌʌn.dɪˈnaɪ.ə.bəl.nəs/

KK: /ʌnˈdɛnɪəblnəs/

noun

Definition: The quality or state of being impossible to deny or dispute.

Example: The undeniableness of her talent was recognized by everyone in the room.

←1

...

187718781879

...

1978→