Meaning of もったい in Japanese

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Definition of もったい

もったい(mottai) 【勿体 ·物体】

もったいぶる(mottaiburu) 【勿体ぶる ·勿体振る】

(v5r, vi) to put on airs; to assume importance
勿体振るのはやめてくれ。
Don't give yourself airs.

もったいない(mottainai) 【勿体ない ·勿体無い ·物体ない ·物体無い】

(adj-i) impious; profane; sacrilegious
とてもいい天気だから家の中にいるのがもったいない。
It's too sunny to stay inside.
too good; more than one deserves; unworthy of
wasteful

中央銀行ちゅうおうぎんこうに物価ぶっかの番人ばんにんだけさせておくのはもったいない。

It's a waste to just have the central banks watching over commodity prices.

What a waste of your lawyer qualifications!

Say that work is 8 hours, it feels like the three hour commute time is also work but you don't get any money for it. What a waste.

市長しちょうはもったいぶった男おとこだ。

The mayor is a stuffed shirt.

俺おれの前まえでもったいをつけるなよ。

Don't tantalize me.

屋内おくないにいるのがもったいないぐらいくらいよい天気てんきだった。

It was too nice a day to stay inside.

It's too sunny to stay inside.

This is too good a chance to lose.

This suit is too good for me.

It's wasteful to leave the land lying idle.