der Auftrieb, -e

Meaning in English

Auftrieb has two common meanings:

1. (Physics/engineering) Buoyancy / lift

   • The upward force a fluid (water or air) exerts on an object, counteracting weight.
   • Used for ships (buoyancy in water), balloons (lift in air), and aircraft wings (aerodynamic lift).

2. (Figurative) Boost / impetus / encouragement

   • A positive push that helps something develop or improves a situation, e.g. economic growth, motivation, or support for an idea.

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Word parts (composition)

• auf- = “up”, “upwards”
• -trieb (from treiben) = “drive”, “propulsion”, “impulse”
• Together: “an upward driving force” → literally fits the physical sense, and metaphorically a “push” forward.

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German synonyms

1) Physics (buoyancy/lift)

• Auftriebskraft
• Aufwärtskraft
• (in aviation context) (aerodynamischer) Lift (loanword, technical)

2) Figurative (boost/impetus)

• Antrieb
• Schub
• Impuls
• Aufschwung (often for economy or development)
• Rückenwind (metaphorical: favorable conditions/support)

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German antonyms (if applicable)

1) Physics

• Abtrieb (downforce, especially in aerodynamics)
• Sinkkraft / Absinken (depending on context)

2) Figurative

• Rückschlag
• Dämpfer
• Hemmung
• Stillstand