Every language has words that resist translation because they encode culturally specific concepts. Dutch has several famous examples. Gezelligheid (noun, from gezellig) — the feeling of warmth, coziness, and conviviality in a social setting. Not just cozy (physical) nor friendly (interpersonal) — but a specific blend of both in a shared context. Een gezellige avond with friends cannot be fully captured in English. Nuchter — sober in the sense of not drunk, but also level-headed, down-to-earth, unimpressed by pretension. A nuchter response is pragmatic and clear-eyed.
Uitwaaien — literally to out-blow, meaning to go outside in the wind to clear your head and refresh your spirits. The Dutch practice of cycling or walking along the coast or in open polderland specifically to let the wind blow away stress. No English word captures this active, wind-specific refreshment. Gedogen — to tolerate or acquiesce to something technically impermissible, as a deliberate pragmatic policy. Not just tolerance (verdraagzaamheid) but specifically tolerating a policy violation for practical reasons.
Meer common words: Doe-het-zelf (do-it-yourself — same acronym in English, but the Dutch enthusiasm for it is its own cultural phenomenon). Gelukkig — fortunate/happy, but also luckily/fortunately as an adverb. Lekker — delicious but also nice, great, comfortably, pleasantly — a remarkably versatile positive word. Knus — snug/cozy in a physical, tucked-in sense. Sfeervol — full of atmosphere/ambience. Each of these words teaches you something about Dutch culture as well as the language.