IPA: /prəˈfɪʃəntli/
KK: /prəˈfɪʃəntli/
In a way that shows skill and competence in doing something.
She completed the project proficiently, impressing her manager with her skills.
Proficiently → It is formed from "proficient" (from Latin "proficere", meaning to advance or make progress) and the suffix "-ly" (meaning in a manner of). The word "proficiently" means in a manner that shows skill or competence, indicating a high level of ability or expertise.
Think of someone who is making progress ('proficere') and doing something skillfully — that's how you remember that 'proficiently' means doing something with skill.