Pronunciation: [bˈʌklɪŋ ˈʌndə] (IPA) 
The phrase "buckling under" is pronounced /ˈbʌklɪŋ ˈʌndər/. The first syllable, "buck", is pronounced with a short vowel sound, as in "luck". The second syllable, "ling", has an "i" sound followed by a "ng" sound. The word "under" is pronounced with a short "u" followed by a "d" sound and "er" sound. This phrase means to give in or surrender under pressure, and is spelled exactly as it sounds.
The term "buckling under" refers to the act or process of succumbing or giving in to pressure, stress, or a challenging situation. It commonly describes the weakening of one's willpower, determination, or resolve under unfavorable circumstances. This expression can be used both literally and figuratively.
In a literal sense, "buckling under" can refer to the physical deformation or collapse of a structure, usually under excessive weight or stress. It signifies a point at which the object can no longer sustain the pressure and yields to it. For instance, a building may buckle under the weight of heavy snow or a bridge might buckle under the force of a strong earthquake.
In a figurative sense, "buckling under" relates to human behavior, specifically highlighting a person's inability to endure or handle challenging situations. This could involve caving in emotionally, mentally, or even physically, due to overwhelming stress, anxiety, or pressure. For example, a student might buckle under the demands of a rigorous academic program, or a worker may buckle under the intense pressures of a high-stakes project.
Overall, "buckling under" denotes an individual's inability to withstand adverse circumstances, leading to a surrendering or giving up of personal strength, resolve, or composure. It portrays a sense of weakness, vulnerability, or defeat when confronted with difficult situations.
The phrase "buckling under" originates from the Middle English word "bukelen", meaning to bend or curve. Its literal meaning refers to the action of something giving in or collapsing under pressure.
The word "buckling" itself derives from the Old French word "bocler" or "boucler", which means "to bend" or "to curl". The word may have further roots in the Old High German "bocul", meaning "boss" or "knob".
As for the word "under", it comes from the Old English word "under" or "undre", which means "beneath" or "lower in rank". In this context, "under" implies that something is submitting or surrendering to the weight of a burden or pressure.
