欠かかす

か

す

Common wordJLPTN2Freq.FrequencyTop 20,000

欠かす · godan verb (-su)

Form	Positive	Negative
Dictionary	欠かかす	欠かかさない
Polite	欠かかします	欠かかしません
Past polite	欠かかしました	欠かかしませんでした
Past	欠かかした	欠かかさなかった
Te-form	欠かかして	欠かかさないで
Desire	欠かかしたい	欠かかしたくない
Potential	欠かかせる	欠かかせない
Passive	欠かかされる	欠かかされない
Causative	欠かかさせる	欠かかさせない
Causative passive	欠かかさせられる	欠かかさせられない
Volitional	欠かかそう
Polite volitional	欠かかしましょう
Imperative	欠かかせ	欠かかすな
Conditional	欠かかせば	欠かかさなければ
Tara conditional	欠かかしたら	欠かかさなかったら

Pairs with欠ける

Meanings

godan verb (-su), transitive verb

miss doing; fail to do

Almost always used in the negative form 欠かさない, meaning 'never fail to do' or 'do without fail'. Describes a habitual action that one always performs.

彼かれは毎まい朝あさジョギングを欠かかさない。
He never misses his morning jog.
祖そ母ぼは毎まい日にち日にっ記きを欠かかさず書かいている。
My grandmother writes in her diary every day without fail.

godan verb (-su), transitive verb

do without; go without

Used in the negative form 欠かせない to mean 'indispensable' or 'cannot do without'. The positive form is rare.

Usage patterns

〈事こと〉を欠かかさないto never fail to do something
彼かれは毎まい日にちの運うん動どうを欠かかさない。
He never fails to do his daily exercise.
〈数かず〉も欠かかさずwithout missing even one (occurrence)
一いち日にちも欠かかさず日にっ記きを書かいている。
I write in my diary without missing even a single day.
〈物もの〉は〈人ひと〉に欠かかせないsomething is indispensable to someone
水みずはわたしたちの生せい活かつに欠かかせない。
Water is indispensable to our lives.

Kanji

欠lack, gap, fail

Transitive / intransitive

欠かけるN3
欠かす is transitive, describing the act of omitting or going without something, while 欠ける is intransitive, describing something being missing, lacking, or chipped.

Related words

怠おこたるN2sense 1
怠る means to neglect or be negligent and can be used freely in the positive, whereas 欠かす is nearly always negated as 欠かさない to mean 'never fail to do'.

Don't confuse with

欠かくN1
欠く means 'to lack' or 'to be missing something,' focusing on the absence of a quality, while 欠かす is about failing to perform a habitual action or going without something and is almost always used in the negative.

Written forms

欠かかすUsage86%
Standard kanji spelling. The reading かかす is the only one given.
かかすUsage14%

Etymology

Derived from the verb 欠く (to lack) with the suffix す, which adds a transitive or causative nuance. The exact historical development is uncertain, but the meaning shifted from 'cause to be lacking' to 'miss doing' or 'do without'.