eight·y 
(ātē)
(ātē)n. pl. eight·ies
1. The cardinal number equal to 8 × 10.
2. eighties
a. A decade or the numbers from 80 to 89: They were still active in their eighties. Before noon, the temperature shot into the eighties.
b. often Eighties The decade from 80 to 89 in a century.
[Middle English eighti, from Old English eahtatig; see oktō(u) in the Appendix of Indo-European roots.]
eighty adj. & pron.
- "the Scourge of the Gods."
- these
- Thesean
- these days
- "the Seraphic Doctor."
- Theseus
- the shirt off back
- the shirt off (one's) back
- the shirt off one's back
- the shoe is on the other foot
- the short end of the stick
- "the Silurist."
- thesis
- thespian
- Thespis
- Thessalian
- Thessalonian
- Thessalonians
- Thessalonica
- Thessaloníki
- Thessaly
- "the Subtle Doctor."
- "the Sun King."
- "the Swamp Fox."
- "the Swedish Nightingale."