Quick Reference

Meaning & Definition

安定 (antei) captures something deeply valued in Japanese society: the kind of steady, unshakeable groundedness that makes life feel secure — whether in a career, a relationship, or even a physical object that refuses to wobble.

安定 functions as both a noun and a na-adjective, covering the idea of stability across physical, financial, emotional, and social contexts. As a noun, it appears in phrases like antei shita seikatsu (安定した生活, a stable life) or antei wo motomeru (安定を求める, to seek stability). As a na-adjective it directly modifies nouns: antei-na shigoto (安定な仕事) means a stable job, though the past-tense attributive form antei shita is far more natural in speech. The word carries a positive connotation almost universally — instability (fuantei, 不安定) is its antonym and implies risk or precariousness. In everyday speech, 安定 leans toward long-term security rather than momentary calm; Japanese speakers use it to describe things that can be counted on over time.

How to Use It

Learners often reach for antei-na when modifying a noun, but native speakers almost always prefer the verb-derived form antei shita + noun (e.g., antei shita shūnyū, 安定した収入, a stable income). Using antei-na directly before a noun sounds slightly stiff or written. Also note the common compound 安定感 (antei-kan, a sense of stability / reassuring solidity) — you’ll hear this used for people who project calm authority, for furniture that feels solid, or even for a singer’s reliable pitch. Don’t confuse 安定 with 安心 (anshin, peace of mind / relief), which is about an emotional feeling in the moment rather than an objective, ongoing state.

Kanji Breakdown

安定 is written with two kanji that together paint a vivid picture. 安 (an) means ‘peace’ or ‘ease’ and is itself composed of the radical for ‘roof’ (宀) over the character for ‘woman’ (女) — evoking the classical image of safety found under shelter. 定 (tei/jō) means ‘fixed’ or ‘settled’, conveying the sense of something set firmly in place. Combined, 安定 literally suggests ‘peacefully fixed’ — a fitting image for a word about reliable, lasting steadiness.

Example Sentences

Cultural Context

In Japan, the pursuit of 安定 has historically been intertwined with the concept of lifetime employment (shūshin koyō, 終身雇用). For much of the postwar era, securing a position at a large company or a government office was synonymous with achieving 安定 — predictable salary increases, social prestige, and a clear path to retirement. Even as this system has eroded since the 1990s, the ideal of antei shita shigoto (stable work) remains a major factor in how young Japanese adults evaluate career options, and public sector jobs still carry a strong 安定 image.

The word also surfaces in relationship and marriage conversations. Asking whether a partner has 安定 — meaning stable employment and finances — is considered a practical and socially acceptable criterion, especially in discussions between parents and their adult children about a potential spouse. This reflects the broader Japanese cultural value of minimizing risk and planning for the long term, where emotional compatibility and material 安定 are seen as complementary rather than competing concerns.

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