Theaim ofthisstudy isto examine the characteristics ofcommunity-terms on bicycle in internet network .Recently bicycleriding isoneoftheleading trendsin Korea. TheKoreanGovernmentisactivelypursuingthepolicyforbicycleriding, and thepeoplewho areinterested in bicycleriding areon theincrease. New trend makesnew words.Thisstudy isvaluablein thatitshows how socialchange produces effects on the change ofwords.Forthis study,118wordspostedonthecommunitybulletinwerecollectedandthe characteristicsofword formation werelooked atfrom twoperspectives. Onewasan analysisoftheoverallaspectsofmorphemicand semantic changes, and the other was concrete aspects of morphemic and orthographic changes. Next, the three psychological characteristics represented in the community-terms were explained: 1) relation strengthening through the contraction of buzzwords, 2) meaning reinforcementthroughallegoricalfigurations,and3)emotionalexpressions throughthevariationofimplication.Inconclusion,community-termsseem tohavethepowertostrengthentheunityofcommunitymembers