気

delusion; trick of the imagination

Noun or verb acting prenominally

courageous; brave; bold; valiant

to be attentive to small details

to be attentive to others (or others' concerns)

to have one's mind turn groundlessly to something negative

to be tired of; to be sick of; to get fed up with

Adjective - yoi/ii class

delightful; satisfying; gratifying; brisk; piquant

young and sweet; adorable; cute; tender; innocent

pitiful; touching; pathetic; helpless

ominous atmosphere; ghostly air; weird air; unearthly atmosphere

weather (conditions)

Formal or literary term

disposition; temperament

belch; eructation; burp

worry; care; anxiety; mental exhaustion

atmospheric current; air current; airflow

sign; indication

Anatomy

trachea; windpipe

gas; vapour; vapor; gaseous body

pride; haughtiness

Colloquial

atmosphere (esp. of a place or person); mood; vibe; ambience

temper; disposition

character; traits; ethos

self-respect; self-confidence; guts; backbone; pride; drive; willpower

cheerful; buoyant; lighthearted

saltiness

Adjectival nouns or quasi-adjectives (keiyodoshi)

honest; respectable; decent

Nouns which may take the genitive case particle 'no'

respectable occupation (i.e. not yakuza, prostitute, etc.)

person in a respectable occupation

determined spirit; unyielding spirit; will

earth (color, colour); ashen; deathly pale