傷んだ

The Japanese word 傷んだ (itanda) is a versatile and essential adjective-like verb form that every intermediate learner must master. At its core, it describes a state where something has lost its original, pristine condition due to physical damage, biological decay, or wear and tear. While English speakers might switch between 'spoiled,' 'damaged,' 'bruised,' or 'worn out' depending on the object, Japanese often uses this single, powerful term to cover all these nuances. It is the past-participle form of the verb itamu (傷む), which literally means to suffer damage or to spoil. When you use it as an adjective before a noun, it signals to the listener that the item in question is no longer in its best state and might require attention, caution, or even disposal.

Biological Decay (Food & Plants)

In the kitchen, 傷んだ is the go-to word for food that is starting to go bad. It doesn't necessarily mean it is completely rotten (which would be kusatta), but rather that it is showing signs of age, such as soft spots on a peach, wilting leaves on spinach, or a slight off-smell in meat. It suggests the initial stages of decomposition where the quality has significantly dropped.

Physical Damage (Objects & Structures)

When referring to inanimate objects like furniture, walls, or clothing, 傷んだ describes physical wear. A '傷んだ机' (itanda tsukue) might have deep scratches or a wobbly leg. A '傷んだ壁' (itanda kabe) might have peeling paint or cracks. It implies that the object has 'suffered' through use or neglect.

Cosmetic Damage (Hair & Skin)

A very common usage in modern Japan is in the beauty industry. '傷んだ髪' (itanda kami) refers to hair that is dry, split, or damaged by chemical treatments like bleaching or perming. Here, it translates most naturally as 'damaged' or 'over-processed.'

Understanding the kanji is also helpful. The kanji 傷 represents a 'wound' or 'injury.' While the homophone verb itamu (痛む) uses the kanji for 'pain' to describe physical or emotional hurting in humans, itamu (傷む) is reserved for the physical degradation of things. If you use the wrong kanji in writing, you might accidentally imply that your banana is feeling emotional pain rather than just being bruised! Therefore, always associate 傷んだ with the physical integrity of an object or organic matter. In a social context, using this word shows a level of discernment; it indicates you are observant of the quality of your surroundings, whether you are shopping for groceries or evaluating the condition of a second-hand item in a store like 'Hard Off' or 'Mercari.'

In summary, 傷んだ is an indispensable term for navigating daily life in Japan. From checking the expiration date of milk to discussing home renovations or hair care, it provides a precise way to describe the transition from 'new and perfect' to 'old and damaged.' It is a word that bridges the gap between simple adjectives like 'old' (furui) and harsh verbs like 'broken' (kowareta) or 'rotten' (kusatta).

Using 傷んだ correctly requires understanding its grammatical placement. Because it is the past/perfective form of a verb functioning as an adjective, it can appear either right before a noun or at the end of a sentence to describe the subject. Let's explore the various structures and contexts to ensure you can use it naturally in conversation.

Noun Modification (Attributive Use)

When you want to describe a specific item that is already in a state of decay or damage, place 傷んだ directly before the noun.
Example: 傷んだリンゴ (itanda ringo) - A bruised/spoiled apple.
Example: 傷んだ髪の毛 (itanda kaminoke) - Damaged hair.

Sentence Ending (Predicative Use)

To state that something has become damaged or spoiled, use it at the end of the sentence. In polite speech, you would add imasu (います) to show the ongoing state of damage, or imashita (いました) to show it happened in the past.
Example: このトマトは傷んでいます。 (Kono tomato wa itande imasu.) - This tomato is spoiled.

One of the most important nuances to grasp is the degree of damage. 傷んだ is often preceded by adverbs like sukoshi (a little), hidoi (terribly), or kanari (considerably). These adverbs help specify whether the item is just slightly past its prime or completely unusable. For example, 'hido ku itanda' (terribly damaged) suggests something that might be beyond repair. In contrast, 'chotto itanda' (a bit spoiled) might just mean you need to cut off a small part of a vegetable before cooking it.

When talking about houses or buildings, 傷んだ is often used alongside words like shūri (repair) or rimōderu (remodel). If you are looking at a real estate listing and see '建物が傷んでいる' (tatemono ga itande iru), it is a polite way of saying the house is a 'fixer-upper.' It warns the buyer that the structure has deteriorated over time. Similarly, in the world of vintage collecting, 'itanda hako' (a damaged box) can significantly decrease the value of a collectible item.

Finally, consider the emotional weight. While 傷んだ is mostly for things, using it for something sentimental—like a '傷んだ写真' (damaged photo) of a deceased relative—carries a sense of loss. The word emphasizes that time and elements have taken their toll on something once cherished. Mastering these contexts allows you to speak with both precision and empathy.

The word 傷んだ is ubiquitous in Japanese daily life. You don't need to look far to find it; it appears in commercial settings, domestic conversations, and media reports. Understanding where it pops up will help you recognize it instantly in the wild.

At the Supermarket (Super-māketto)

You might hear a staff member saying '傷んだ商品は下げてください' (itanda shōhin wa sagete kudasai - Please remove the damaged/spoiled products). Or, you might see a 'mikirihin' (discounted item) section where fruits that are 'sukoshi itanda' (slightly bruised) are sold at half price for quick consumption.

At the Hair Salon (Biyōshitsu)

This is perhaps the most common place for young people to hear the word. A stylist might ask, '毛先が傷んでいますが、切りますか？' (Kesaki ga itande imasu ga, kirimasu ka? - The tips of your hair are damaged; shall I cut them?). Shampoos and conditioners are frequently marketed as '傷んだ髪用' (for damaged hair).

In Real Estate and Inspections

When renting an apartment, during the 'naikan' (viewing), you might point out a '傷んだ床' (damaged floor) to the agent to ensure it gets fixed before you move in. It is a standard term used in official inspection reports to describe the condition of walls, pipes, and flooring.

In the media, especially during the humid summer months or after a natural disaster, you will hear 傷んだ used in news reports. Weather forecasters often warn about 'food poisoning' (shokuchūdoku) because food 'itami-yasui' (spoils easily) in the heat. After an earthquake, reporters might describe '傷んだ道路' (damaged roads) or '傷んだ家屋' (damaged houses), providing a visual of the destruction without necessarily meaning the buildings have completely collapsed.

Finally, if you are into DIY or 'Kintsugi' (the art of repairing broken pottery with gold), 傷んだ is the word used to describe the items that need your care. It identifies the 'flaw' that gives the object character. Whether it's a '傷んだ革の財布' (a worn leather wallet) that has developed a beautiful patina or a '傷んだ古本' (a damaged old book) found in a Jinbocho bookstore, the word captures the essence of things that have lived a long life and show the marks of their journey.

While 傷んだ is a common word, its similarity to other terms and its specific kanji usage can lead to frequent errors for learners. Avoiding these pitfalls will make your Japanese sound much more natural and precise.

Mistake 1: Confusing 傷む (Itamu) with 痛む (Itamu)

Both words are pronounced exactly the same, but they have different kanji and different meanings. 痛む (with the 'sickness' radical 疒) refers to physical pain or emotional heartache in a person. 傷む (with the 'person' radical 亻) refers to physical damage or spoiling of things.
WRONG: 足が傷んだ (My leg spoiled/got damaged - sounds like your leg is a piece of fruit).
RIGHT: 足が痛んだ (My leg hurt).

Mistake 2: Using it for Broken Electronics

If your smartphone won't turn on or your laptop screen is black, don't use 傷んだ. Instead, use kowareta (壊れた - broken) or koshō shita (故障した - malfunctioned). 傷んだ refers to the *surface* or *physical material* damage (like a scratched screen), not the internal functional failure.

Mistake 3: Over-relying on 'Itanda' for Rotting Food

If food is completely moldy, smelly, and dangerous to eat, kusatta (腐った - rotten) is more appropriate. 傷んだ is a bit more polite and describes the early or mid-stages of spoiling. Using 'itanda' for a piece of green, fuzzy bread might be too mild!

Another common error is applying 傷んだ to human injuries. If you cut your finger or scrape your knee, you should use kega o shita (けがをした - got injured) or kizu ga tsuita (傷がついた - got a wound). While the kanji for 'kizu' (wound) is the same, the verb itamu (傷む) is almost exclusively for non-human objects. The only exception is 'hair' (kami), which is treated like a material that can be 'damaged' rather than a living part of the body that feels pain.

Lastly, be careful with the nuance of 'old.' A 'furui' (old) book is just old, but an 'itanda' book has torn pages, water stains, or a broken spine. Don't use 傷んだ just to mean 'not new.' Use it when there is visible evidence of deterioration. By keeping these distinctions in mind, you'll avoid confusing your listeners and demonstrate a sophisticated grasp of Japanese nuance.

To truly master 傷んだ, you must see where it sits in the constellation of related Japanese terms. Depending on the context—whether it's food, machinery, or abstract concepts—there might be a better word to use. Let's compare 傷んだ with its closest synonyms.

1. 腐った (Kusatta) vs. 傷んだ (Itanda)

Kusatta means 'rotten' or 'decomposed.' It implies bacteria, bad smells, and being completely inedible. Itanda is the softer, earlier stage. You can cut the itanda part off a potato and still eat the rest, but if the potato is kusatta, you throw the whole thing away.

2. 壊れた (Kowareta) vs. 傷んだ (Itanda)

Kowareta means 'broken.' Use this for toys, machines, or structures that no longer work. Itanda refers to the deterioration of the surface or material. A house can be itande iru (worn out) but still standing and functional. If it's kowarete iru, the roof might have fallen in.

3. 劣化した (Rekkashita) vs. 傷んだ (Itanda)

Rekkashita is a more technical, formal term for 'deteriorated' or 'degraded.' It is often used for rubber, plastic, or batteries that lose their properties over time. Itanda is the everyday, conversational equivalent.

If you are talking about clothing, you might also consider furubita (古びた - old-looking/antique) or boroboro (worn to rags). While 傷んだ focus on the damage, furubita can sometimes have a positive, aesthetic connotation (like a vintage look). Boroboro is much more extreme than 傷んだ and suggests something is falling apart.

Finally, for hair, you might hear pasapasa (dry/frizzy) or edage (split ends). These are more specific descriptions of *how* the hair is itanda. By learning these alternatives, you can move from a basic 'B1' level of expression to a more descriptive and native-like 'B2' or 'C1' level, choosing the exact word that fits the severity and type of damage you are observing.