ichidan verb / intransitive verb:

• to be dispirited; to be dejected; to be disheartened; to lose heart

noun:

• magic mallet; lucky mallet; nursery-tale mallet that delivers one's heart's desire at a wave

expression:

• the eyes are the windows to the soul; the eye is the lamp of the body; the eyes are the mirror of the heart [literal] - proverb

godan ~す verb / transitive:

• to be frank; to speak one's mind; to open one's heart ➜ 打明ける

expression / ichidan verb:

• to be shameless; to have a lot of nerve; to have nerves of steel; to have hair on one's heart [literal] - idiom

expression / noun:

• one's mind; one's thoughts; one's heart ➜ 思いの丈【おもいのたけ】

noun:

• steadfastness; firmness in one's conviction; having a heart that does not change as easily as a stone rolls about - four character idiom

noun:

• as freely as one pleases; at will; to one's heart's content - four character idiom

expression / adverb:

• in truth; in actuality; at heart

expression / noun:

• the truth; the real story

~たる adjective / ~と adverb:

• fully satisfied; well satisfied (e.g. with an explanation or apology); to have one's heart completely cleared of doubt or grudge

~と adverb / ~たる adjective:

• buoyantly; airily; with a light heart - obscure term

adverb / adjectival noun:

• intently; single‐mindedly; devotedly; solely; earnestly; with all one's heart ➜ 一向【ひたぶる】

adverb:

• without hesitation; frankly (esp. speaking); bluntly; without shilly-shallying; straight to the point; getting to the heart of the matter ➜ ずばり
• cutting (forcefully, directly); piercingly

adverb / ~と adverb / ~する noun:

• quietly; softly; seriously; intimately; heart-to-heart
• solemn; sad

expression / godan ~す verb:

• to speak frankly; to speak unreservedly; to open up to each other; to talk candidly; to speak by laying everything on the table; to talk straight from the gut; to have a heart-to-heart talk

ichidan verb / intransitive verb:

• to fill (one's heart); to experience a welling up of feelings or sensations
• to feel nauseated

noun:

• the five viscera (liver, lungs, heart, kidney and spleen)

godan ~す verb / transitive:

• to beat fast (e.g. the heart)

noun / ~する noun:

• death due to shock (triggered by blood loss, heart failure or other causes)

noun:

• impulse conduction system (of the heart)

adverb / ~と adverb / ~する noun:

• thumping (heart); banging; pounding; racing - onomatopoeia

expression / adjective:

• malicious (at heart); spiteful; wicked

adjective:

• malicious (at heart); spiteful; wicked

godan ~つ verb / intransitive verb:

• to pound (e.g. heart); to pulse (e.g. vein); to pulsate

expression / godan ~つ verb:

• to beat fast (of a heart); to hammer