1. discourtesy, impoliteness

noun (common) (futsuumeishi) adjectival nouns or quasi-adjectives (keiyodoshi) noun or participle which takes the aux. verb suru intransitive verb

2. excuse me, goodbye

expressions (phrases, clauses, etc.)

3. to leave

noun or participle which takes the aux. verb suru

4. to be rude

noun or participle which takes the aux. verb suru