to make a small mistake / to neglect

Immature fatty salmon. It is rare and valued.

(obsolete) The hentaigana syllable that is used to represent ha in old Japanese text.

(obsolete) The hentaigana syllable that is used to represent hi in old Japanese text.

happy event; auspicious occasion

(slang, derogatory) A vague, derogatory label applied to stories that have overdone, clichéd elements. Usually an isekai story with elements like those described at 異世界#Usage notes.

mountain stream

earth science

suspension of studies, absence from school while remaining on the register, especially due to illness

実体験: real experience