かさむ

か

さ

む

JLPTN1Freq.FrequencyTop 50,000

かさむ · godan verb (-mu)

Meanings

godan verb (-mu), intransitive verb

usually written using kana alone

Describes something, often undesirable, growing larger in quantity, bulk, or cost. Commonly used for expenses, work, or physical volume.

費ひ用ようがかさむexpenses pile up / mount
旅りょ行こうの費ひ用ようがかさんで予よ算さんを超こえてしまった。
The travel expenses piled up and went over budget.
出しゅっ費ぴがかさむspending accumulates / grows heavy
冬ふゆは暖だん房ぼう費ひで出しゅっ費ぴがかさむ。
In winter, spending piles up because of heating costs.
借しゃっ金きんがかさむdebt mounts up
ギャンブルで借しゃっ金きんがかさんでしまった。
His debt piled up because of gambling.
荷に物もつがかさむluggage/baggage becomes bulky
お土産みやげを買かいすぎて荷に物もつがかさんでしまった。
I bought too many souvenirs and my luggage became bulky.

増ふえるN4
増える is a neutral, general verb for 'increase' in number or amount, while かさむ specifically describes a burdensome or bulky accumulation, often of expenses or volume.
積つもるN4
積もる describes physical piling up (like snow) or gradual accumulation of feelings, while かさむ focuses on quantity or cost swelling, usually with a negative nuance.
膨ふくらむN2
膨らむ suggests something expanding or swelling in size (like a budget or balloon), while かさむ is more specifically about costs or bulk becoming inconveniently large.
かさばるN1
かさばる describes something being physically bulky and awkward to carry or store, while 嵩む usually means an amount (like expenses or a pile) increasing in volume.

減へるN4
減る means to decrease, the direct opposite of かさむ's sense of increasing or piling up.

かさむUsage89%
It is usually written in kana. The kanji form 嵩む is also used but less common.
嵩かさむUsage11%
Kanji form; the character 嵩 means 'bulk' or 'volume', fitting the sense of swelling or increasing in amount.

Derived from the noun 嵩 (かさ, 'bulk, volume'), with the verb-forming suffix む. The core idea is something swelling or increasing in bulk.