half-jokingly

With an element of jest, but fundamentally in earnest.

Japanese Meaning

冗談交じりに / 冗談半分に

She half-jokingly suggested that we start our own company, but everyone could tell she was serious about the idea.

彼女は冗談半分に私たちに会社を始めようと提案したが、みんなそのアイデアに本気であることに気づいていた。

Sense（1）

With an element of jest, but fundamentally in earnest.

more half-jokingly

（ comparative ）

most half-jokingly

（ superlative ）