buckling /ˈbʌk.əl.ɪŋ/noun 5adjective 1forms 3 noun5 •A folding into hills and valleys. •The action of giving in (slightly) to pressure or stress by developing a bulge, bending or kinking (with the eventual risk of collapsing).Engineers decided not to use hydraulics, to ensure there was no twisting or buckling to the 80-tonne girder structure. — 2021 •The act of fastening a buckle. •A young male domestic goat of between one and two years.If you do have extra milk, then by all means raise your extra bucklings and cull doelings for meat. — 1994 •Smoked herring. adjective1 •Wavy; curly, as hair. formsbucklings · more buckling · most buckling