hoc
adj.adj. created or done for a specific purpose only, rather than being part of a regular plan. You use this to describe something that is temporary and meant to solve a single problem.
adj. formed, arranged, or done for a particular purpose only; lacking a pre-arranged plan or general application. Often follows a linking verb or modifies a noun directly.
The committee was formed on an ad hoc basis.
The team held an ad hoc meeting to address the sudden technical failure before the product launch.
Rather than establishing a permanent department, the administration relied on ad hoc task forces to manage the immediate logistical challenges of the crisis.
Often used in the phrase 'on an ad hoc basis'. When used as an adjective before a noun, it is frequently hyphenated in formal writing ('an ad-hoc committee').