つよい

strong ; potent ; competent ; domineering ; tough

strong ; brawny ; powerful ; healthy ; rugged​

good (at) ; skilled ; knowledgeable

being able to handle ; know how to deal (with) ; durable (against); resistant (to) ; resilient

firm ; rigid ; solid​

intense ; strong ; fierce ; high​

dependable ; trustworthy

弱い

強力(きょうりょく)

強大(きょうだい)

無敵(むてき)

wikipedia 強い

weblio 強い

kotobank 強い

jisho 強い