empty air / meaninglessness / (Buddhism) sunyata: emptiness, vacuity, awareness, openness, thusness / (Buddhism) void: one of the 五大 (godai, literally “great five”) and the highest of the five elements

a thunderstorm

to show, to have somebody see / to display, to show, to demonstrate / to indicate, point out, to denote / to indicate (for a measuring device such as a clock to show a value)

cumulonimbus

near, close

a surname

near, close to (in space) / near (in time), at hand / close, closely related / near, not far off (in amount) / similar in appearance, form, color, shape, etc. / close, on good terms with

float / (of an idea) to present itself, come to mind

the sky

something empty / ineffectual / false