constructive

Từ điển Oxford Advanced Learner 8th

con·struct·ive AW BrE [kənˈstrʌktɪv] NAmE [kənˈstrʌktɪv] adjective
having a useful and helpful effect rather than being negative or with no purpose
•constructive criticism/suggestions/advice
•His work involved helping hyperactive children to use their energy in a constructive way.
•The government is encouraging all parties to play a constructive role in the reform process.
compare ↑destructive
Derived Word: ↑constructively

Word Origin:
[constructive constructively] mid 17th cent. (in the sense not obvious): from late Latin constructivus, from Latin construct- ‘heap together’, from the verb construere, from con- ‘together’ + struere ‘pile, build’.

Example Bank:
•You should always welcome constructive criticism of your work.