noun
digging in; cutting into
Physical sense of something pressing or cutting into a surface or skin, such as a rope, strap, or tight clothing.
リュックのひもが肩に食い込みして痛い。
The backpack strap digs into my shoulder and hurts.
この下着は食い込みが少なくて快適だ。
This underwear has less digging in and is comfortable.
noun
inroads; encroachment; eating into
Figurative use for making gradual gains into a market, territory, or support base, often at the expense of a competitor.
新製品がライバル社のシェアに食い込みを見せている。
The new product is making inroads into the rival company's market share.
野党は与党の地盤に食い込みを図っている。
The opposition party is trying to eat into the ruling party's electoral base.
noun
Used in financial or accounting contexts to describe a shortfall or negative balance, often as part of compound terms like 赤字食い込み.
予算の食い込みを防ぐために経費を削減した。
We cut expenses to prevent a budget deficit.
noun
wedgie
Colloquial term for when underwear rides up between the buttocks; often used in casual or humorous contexts.
パンツの食い込みが気になって集中できない。
I can't concentrate because my underwear is giving me a wedgie.