2159 しつこい: persistent: I am having trouble with persistent junk mails. 2965 強引: coercive, persistent: I couldn't decline my friend's persistent offer. 4620 継続: continuation, succession: Whatever you do, it's important to keep at it persistently. 4904 やたらに: frequently, persistently: He tried to talk to me persistently. 8727 粘り: stickiness; tenacity: He is not persistent enough.