convenient; expedient; makeshift
Describes a solution or measure taken for practical convenience, often implying it is temporary or not ideal. Used in formal or written contexts.
That is merely a makeshift measure.
We solved the problem in an expedient way.
暫定的 explicitly means 'provisional' or 'tentative', emphasizing a temporary arrangement. 便宜的 focuses on practical convenience rather than the temporary nature.
Compound of 便宜 (convenience, expediency) + 的 (-like, -ish). The exact historical derivation is uncertain, but the word follows a common pattern for forming adjectival nouns.