AD HOC

PRONUNCIATION: (ad HOK)

MEANING: adverb, adjective: For a particular purpose only (as opposed to a wider application); impromptu.

ETYMOLOGY: From Latin ad hoc (for this). Earliest documented use: 1639.

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AD HIC - this plus a singultus

DAD HOC - Father can't afford your college tuition

AB HOC - from Latin, "away from this". Easily distracted; does everything EXCEPT the task at hand.