21st
adj ·Rare ·Advanced level
Definitions
- 1 Abbreviation of twenty-first. abbreviation, alt-of, not-comparable
"The Budget proposes eliminating the 21st Century Community Learning Centers (21st CCLC) program given performance data demonstrates that the program is not achieving its goals, and the program has low participant attendance rates; nearly 60 percent of students attended a 21st CCLC center for 30 days or fewer during the 2014-2015 school year."
- 1 coming next after the twentieth in position wordnet
Example
More examples"The Budget proposes eliminating the 21st Century Community Learning Centers (21st CCLC) program given performance data demonstrates that the program is not achieving its goals, and the program has low participant attendance rates; nearly 60 percent of students attended a 21st CCLC center for 30 days or fewer during the 2014-2015 school year."
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.