空くう疎そ

く

う

そ

Common wordFreq.FrequencyTop 100,000

Meanings

Describes arguments, discussions, theories, or plans that lack real content, substance, or practical results. Often used in critical or analytical contexts.

彼かれの提てい案あんは空くう疎そで、具ぐ体たい的てきな内ない容ようがなかった。
His proposal was hollow and lacked concrete details.
空くう疎そな議ぎ論ろんを続つづけても何なにも生うまれない。
Continuing fruitless discussions won't produce anything.

Usage patterns

空くう疎そな〈事こと〉an empty/hollow (argument, theory, plan, etc.)
その政せい策さくは空くう疎そな議ぎ論ろんに終おわった。
The policy debate ended up being an empty argument.
〈事こと〉が空くう疎そに響ひびくfor something (a speech, statement) to sound hollow
彼かれの演えん説ぜつは空くう疎そに響ひびいた。
His speech sounded hollow.
〈事こと〉に感かんじるto feel that something is empty/hollow
その理り論ろんはどこか空くう疎そに感かんじられた。
The theory somehow felt hollow.

Kanji

空empty, sky, void
疎alienate, rough, neglect

Related words

空くう虚きょN1
空虚 is the more common word for emptiness, covering both physical and emotional voids, while 空疎 is reserved for abstract ideas, arguments, or plans that lack substance.
無む意い味みN2
無意味 means broadly 'meaningless', whereas 空疎 more narrowly implies that something has form or words but no real content.
空むなしいN1
虚しい is an i-adjective expressing a feeling of futility or emptiness, while 空疎 is a na-adjective specifically criticizing arguments or plans for lacking substance.

Opposites

充じゅう実じつN2
充実 describes something full and substantial, the direct opposite of 空疎, which describes something hollow and lacking content.

Don't confuse with

空くう想そうN2
空想 (くうそう, 'fantasy/daydream') sounds very similar to 空疎 (くうそ) but describes imaginative thought, not the criticism of an argument as hollow.

Etymology

Compound of 空 (empty) and 疎 (sparse, neglect). The combination emphasizes a lack of dense or substantial content, used figuratively for ideas and arguments.