Synonyms for 1820s:

• n.

  •time (noun)
  • 1820s.

• Other synonyms:

  •n.
  • decade,
  • decennary,
  • decennium.
  •Other relevant words:
  • ten,
  • tenner,
  • 10.

Hyponym for 1820s:

• n.

  • time
    decade, decennium, decennary.