WordNet: crazy, half-baked, screwball, softheaded

foolish; totally unsound; "a crazy scheme"; "half-baked ideas"; "a screwball proposal without a prayer of working"

• domain: usage colloquialism

• similar to impractical

crazy

• (englanti) craziness (derivationally related)
• (suomi) heikkopäinen (synonyymi)

half-baked

• (suomi) typerä (synonyymi)

screwball

• (englanti) screwball (derivationally related)
• (suomi) hoopo (synonyymi)

softheaded

• (suomi) vähäjärkinen (synonyymi)