noun / adjectival noun:

• vibrancy; strength; bravery; manliness
• (esp. of men) one's prime (approx. age 30)

expression:

• there's no medicine for stupidity - proverb ➜ 馬鹿に付ける薬は無い

adjectival noun:

• neglectful (i.e. in the treatment of one's guests)

adjectival noun:

• neglectful (i.e. in the treatment of one's guests) - polite language

noun:

• Peyronie's disease

noun:

• allotment of rice paddies for cultivation during the cultivator's lifetime (ritsuryo system)

noun:

• full slip (combining hadajuban and susoyoke) worn under women's kimono ➜ 肌襦袢【はだじゅばん】・裾除け【すそよけ】・長襦袢【ながじゅばん】

expression / adjective:

• preventing one's opponent from getting an underarm grip - Sumo term
• having weak defenses

noun:

• Japan's first coinage (dating to 683 CE, but perhaps never in circulation) ➜ 和同開珎

noun:

• stone for cutting one's pubic hair (in public baths)(Edo period) - archaism

noun:

• U shaped scissors with no place to put one's fingers; shears ➜ 和鋏【わばさみ】

noun:

• pavilion housing the emperor's bathing quarters and dressing chamber (in Heian Palace) ➜ 十七殿

noun:

• Gartner's bacillus; form of salmonella that causes gastroenteritis in humans

noun:

• solipsism; philosophical idea that nothing outside of one's own mind really exists

noun:

• National Military Establishment; forerunner to the U.S. Department of Defense (1947-1949)

noun / ~する noun:

• keeping an eye on people's belongings (so they don't get stolen)

noun:

• biopower; Foucault's term for the regulation by modern states of their subjects

noun:

• post-retirement return to one's home town and carrying out agricultural pursuits

noun:

• one's second son ➜ 次男【じなん】
• man between 17 and 20 years old (ritsuryo system) - archaism ➜ 少丁

adjectival noun / ~の noun / adverb / ~する noun:

• agile (person's movements); nimble; adroit; lively; brisk; skillful - onomatopoeia

expression:

• following the desires of one's own heart without transgressing what is right - from the Analects of Confucius - proverb

noun:

• pinfall; pinning an opponent's shoulders to the ground (e.g. in wrestling)

expression / noun:

• thanking another driver by flashing one's hazard lights - colloquialism - From English "thank you hazard"

noun / ~する noun:

• falling asleep (in one's clothes); lying down to nap; crashing out ➜ うたた寝【うたたね】

noun:

• foreign-body sensation (e.g.contact lens, something stuck in one's throat)