恣肆的基本解释

1. [unrestrained;unbridled;wilfully;wanton]∶肆:无顾忌。指放纵无顾忌

大吏华南金树威恣肆。——《新唐书·张巡传》

骄横恣肆

2. [forceful and unrestrained;free and natural]∶言谈、文笔等豪放潇洒

文笔恣肆