popular  JLPT N4  noun  noun (generic)  noun taking the genitive case particle の  adjective (generic)  colloquialism  interjection 

• lie, fib, falsehood, untruth
• mistake, error
• unwise move, bad decision
• no way!, unbelievable!, really?!

popular  irregular okurigana  JLPT N1  godan verb  godan verb (archaic)  verb (generic)  transitive verb  colloquialism  computing 

• to lay waste, to devastate, to damage
• to invade, to break into
• to troll (e.g. web forums), to spam

popular  JLPT N2  noun  noun (generic)  sumo  colloquialism 

• gun
• wooden pole that wrestlers strike in practice
• puffer fish

popular  obsolete reading  noun  noun (generic)  colloquialism 

• mother
• wife

popular  noun  noun (generic)  colloquialism 

• orthopedic surgery, orthopaedic surgery, orthopedics, orthopaedics
• plastic surgery, cosmetic surgery

popular  usually written using kana alone  noun  noun (generic)  abbreviation  colloquialism 

• wild goose
• glans, head of a penis

popular  JLPT N1  noun  noun (generic)  noun or participle taking the aux. verb する  colloquialism  slang 

• sinking, foundering, going down, submersion
• getting dead drunk
• having too much fun (esp. in a red-light district, etc.) and missing work or neglecting one's duties
• staying in one place for a long time

popular  noun  noun (generic)  noun or participle taking the aux. verb する  intransitive verb  colloquialism 

• roar of laughter (from multiple people), burst of laughter, uproarious laughter
• laughing hard (of a single person)

popular  colloquialism  abbreviation  noun  noun (generic) 

• person who has (only) graduated from junior high school, middle school graduate

popular  noun  noun (generic)  noun or participle taking the aux. verb する  transitive verb  intransitive verb  biology  colloquialism 

• union, combination, coalescence, amalgamation, merger, incorporation
• conjugation (of gametes)
• sexual intercourse, copulation