half-baked.

Not thought through or prepared well enough to be reliable.

Use it for

Words that belong together

• half-baked plan
• half-baked idea

On the page

The committee rejected the half-baked plan.

Usage notes

Primary category: literary / elevated general. Forms: Comparative more half-baked; superlative most half-baked when comparison is meaningful. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Commonness: moderately common.