Definify.com

Webster 1913 Edition

Adj.

Not slaked; unslacked;

as, an

unslaked

thirst;

unslaked

lime.

Adj.

Not slaked; unquenched; as unslaked thirst.

Adj.

Not saturated with water; as unslaked lime.

unslaked ‎(not comparable)

Not yet slaked
- 1798, Samuel Taylor Coleridge, "The Rime of the Ancient Mariner":
  With throats unslaked, with black lips baked: / We could not laugh nor wail.
- 1988 April 8, Tom Boeker, “The Duchess of Malfi”, in Chicago Reader:
  His blood lust yet unslaked (pardon the pun), the duke has the duchess executed […] .