/ˈstreŋθn/

• 1  vi./vt. [make stronger] indartu, indar eman, finkatu, tinkatu, sendotu, irmotu

• 2  vi./vt. [intensify] biziagotu, areagotu; handitu

  the wind has strengthened: haizea biziagotu egin da

• 3  vi./vt. [make closer] estutu

  to strengthen relations/ties: harremanak estutu