逐渐的近义词

渐渐jiàn jiàn 
[gradually;increasingly;slowly;
by degrees;by little and little;
step by step] 程度或数量逐步地;慢慢地

渐次jiàn cì 
[gradually;increasingly;slowly;
by degrees;by little and little;
step by step] 渐渐地;逐渐

逐步zhú bù 
[step by step;progressively;by degrees] 一步步