Try and use these words more in your daily casual Japanese conversation. I will add more words into this list whenever I have more time. The words here is positive and negative, use at your own risk.
1) つねに （常に）: always; constantly
2) かなり （可也）: considerably
3) きつい : intense; severe; strong (taste, example: chilies, curry)
4) ドジ : clumsy
