I. ˈirəd.ənsē, -ətən-, -si also -ət ə n- noun
( -es )
Etymology: irritant (I) + -cy
Roman, civil, & Scots law : a making or the quality or state of being made null and void : invalidation ; also : irritant clause
II. noun
( -es )
Etymology: irritant (II) + -cy
: the quality or state of being irritating