頭あたまでっかち

あ

た

ま

で

っ

か

ち

Freq.FrequencyTop 50,000

Meanings

na-adjective, noun which may take the genitive case particle 'no', noun

top-heavy

Describes physical objects that are disproportionately heavy or large at the top, making them unstable.

この棚たなは頭あたまでっかちで、すぐ倒たおれそうだ。

This shelf is top-heavy and looks like it might fall over any moment.

na-adjective, noun which may take the genitive case particle 'no', noun

big-headed; conceited

Refers to a person who is arrogant or has an inflated sense of self-importance.

彼かれはちょっと成せい功こうしただけで頭あたまでっかちになった。
He became big-headed just because he had a little success.

na-adjective, noun which may take the genitive case particle 'no', noun

overly theoretical; impractical

Describes ideas, plans, or people that are too focused on theory and lack practical grounding.

彼かれの提てい案あんは頭あたまでっかちで、現げん場ばのことは何なにも考かんがえていない。
His proposal is overly theoretical and doesn't consider the realities of the workplace at all.

Kanji

頭head, counter for large animals

Related words

天てん狗ぐ
天狗 is a noun meaning a conceited person, often used in the phrase 天狗になる. 頭でっかち is an adjectival noun that can describe both physical top-heaviness and figurative big-headedness.
理論倒れりろんじまけ
理論倒れ specifically means a plan or idea that fails because it is too theoretical. 頭でっかち is a broader term for being overly theoretical or impractical.

Etymology

A compound of 頭, “head,” and でっかち, indicating that one part is disproportionately large. The literal sense “having an oversized head” produced the figurative senses “top-heavy,” “conceited,” and “overly theoretical.”