the 20th century
Proposed by a contributor, not yet supported by evidence.
Meaning · English
The period from 1901 to 2000
Literally: 20th hundred years
Register: neutral
Examples
Many significant events occurred in the 20th century
AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)
Sources & notes
Everyday learner phrase (CEFR A1); level cross-referenced from published learner lists. Definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-08-01; pending editor spot-check.
Common questions
What does “the 20th century” mean?
The period from 1901 to 2000 Literally: 20th hundred years
Is “the 20th century” formal or informal?
the 20th century is generally neutral.