いちじる著ichijiruしいshii
1.
Describing a quality or change that is easily noticeable and cannot be ignored, often due to its distinctiveness or prominence.
2.
Indicating a level of significance or impact that stands out clearly to everyone, often highlighting a strong contrast or difference.
3.
Characterizing an aspect or condition that is evidently exceptional or outstanding, drawing attention due to its intensity or clarity.
Example:
科学は著しく進歩した。