List: Youtube

Wordexpression 

• to a greater or lesser extent (degree), more or less

Wordrare term  noun  noun (generic) 

• endless river, boundless water

Wordslang  noun  noun (generic)  noun or participle taking the aux. verb する 

• giving (someone) a peek (of skin, underwear, etc.), giving a glimpse

Wordcolloquial  noun  noun (generic)  noun or participle taking the aux. verb する  transitive verb 

• glancing look, quick glimpse

Wordpopular  search-only kanji form  noun  noun (generic)  noun or participle taking the aux. verb する  intransitive verb 

• paying back a favour, repayment (of an obligation, kindness, etc.)

Wordonomatopoeic or mimetic word  colloquial  adverb  adverb taking the と particle 

• a lot, a great deal, plentifully
• properly, sufficiently, fully

Wordpopular  noun  noun (generic)  noun or participle taking the aux. verb する  transitive verb 

• serving concurrently as, concurrently holding the position of, holding the additional post of
• additional post

Wordpopular  noun  noun (generic) 

• deep-seated grudge, hatred

Wordpopular  noun  noun (generic) 

• person doing one job exclusively, full-time worker, full-time union official

Wordpopular  noun  noun (generic) 

• important matter
• requirement, requisite, necessary condition, sine qua non