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unbounded (adj.)
[unbounded 词源字典]
1590s, "not limited in extent," from
un-
(1) "not" + past participle of
bound
(v.1). Sense of "generous, profuse, liberal" is recorded from 1704. Related:
Unboundedness
.
[unbounded etymology, unbounded origin, 英语词源]
[unbounded 词源字典]