It is strengthening and building up other believers in the faith by encouragement, helpful teaching and God-given gifts (Rom 14:19; Eph 4:10-16; 1 Thes 5:11). This can take place through the teaching in church, small home groups, one-on-one mentoring, or as we fellowship with others. When necessary godly correction, if done with a right motive and received in a right spirit, will also have this positive effect of “equipping the saints for every good work” (2 Cor 13:10; 2 Tim 3:16,17).
Edifying is helping others grow in the Lord
(2 Cor 12:19). Do I promote growth in the Christians I mix with? The words we speak have immense ability for good or bad – to build up or tear down so closely guard your tongue (Prov 18:21; Eph 4:25-29; Jas 3:2-10).
“Build yourselves up in your most Holy faith and pray in the Holy Spirit (Jud 1:20). The opposite of edifying is criticism that tears down and discourages.