Translation guide
Describes a person, attitude, or effort that is lazy, careless, or lacking enthusiasm and determination. Japanese expresses this through adjectives, verbs, and descriptive phrases focusing on laziness, half-heartedness, or lack of seriousness.
Describing a person or their behavior as lazy, sluggish, or unmotivated, often in a general sense.
A somewhat formal adjective meaning 'lazy' or 'indolent'. It describes a person's character or lifestyle as habitually lazy.
He leads a lackadaisical life.
An adjective meaning 'slovenly', 'lazy', or 'undisciplined'. It often implies a lack of care in appearance or habits, and can be used for a lackadaisical attitude.
I'm amazed at his lackadaisical attitude.
A colloquial adjective meaning 'lazy' or 'idle', often used for someone who lounges around and avoids work. It has a slightly humorous or critical tone.
I enjoyed a lackadaisical lifestyle over the weekend.
Literally 'of a lazy person', this phrase describes someone who is inherently lazy. It can be used attributively to describe a lackadaisical person.
A lackadaisical student doesn't do their homework.
Describing an action or attitude that is done without proper care, interest, or effort, often resulting in poor quality.
An adjective meaning 'half-hearted', 'irresponsible', or 'sloppy'. It implies a lack of thoroughness or commitment, fitting for lackadaisical work or responses.
His lackadaisical work is a problem.
Literally 'without motivation', this phrase describes a lack of drive or enthusiasm. It is commonly used for a lackadaisical attitude towards tasks.
I got a lackadaisical reply.
An adjective meaning 'negligent' or 'careless', often implying a 'throwaway' attitude. It suggests giving up on doing something properly.
Means 'half-baked' or 'superficial'. It describes efforts or knowledge that are insufficient and lackadaisical.
You won't succeed with lackadaisical preparation.
Describing a lack of proper attention or seriousness, often leading to mistakes or a casual disregard.
An adjective meaning 'careless' or 'inattentive'. It focuses on the lack of attention rather than laziness, suitable for lackadaisical mistakes.
Lackadaisical driving causes accidents.
Means 'rash' or 'thoughtless'. It implies acting without proper consideration, which can be seen as lackadaisical in decision-making.
His lackadaisical remark angered him.
An adjective meaning 'rough' or 'careless', often used for handling things in a sloppy, lackadaisical manner.
The product broke due to lackadaisical handling.
怠惰 (taida) is formal and describes a deep-seated laziness. だらしない (darashinai) is more about sloppiness in appearance or habits. いい加減 (iikagen) focuses on half-heartedness and irresponsibility in actions. Choose based on whether you emphasize laziness, slovenliness, or lack of commitment.
There is no single Japanese word that perfectly matches 'lackadaisical'. Using a direct translation like 怠惰な may sound too formal or literary in casual speech. In conversation, やる気がない or だらしない are often more natural.
If you work with a lackadaisical attitude, you'll fail.