~す verb (precursor to modern する):

• to combine with; to serve as both; to hold an additional post; to use with

expression / godan ~く verb:

• to employ one's secret weapon; to play one's trump card; to use the ace up one's sleeve - idiom

expression:

• figuratively speaking; metaphorically speaking; so to speak; to use a figure of speech

~する verb (spec.):

• to play with; to joke; to use (esp. trick, sophistry, etc.)
• to deride; to scoff at; to make fun of

noun:

• utilization rate; capacity factor; utilization factor; coefficient of use

expression:

• fallen blossom doesn't return to the branch, a broken mirror can not be made to shine; what's done is done; there's no use crying over spilled milk - proverb

expression:

• wrong; not good; of no use ➜ 行けない【いけない】
• hopeless; past hope ➜ 行けない【いけない】
• must not do ➜ 行けない【いけない】

suffix noun:

• keep ...-ing; have been ...-ing; leaving (something) on; leaving (something) still in use - negative nuance, with the state being improper, unpleasant, etc. - colloquialism - abbreviation ➜ っぱなし

expression / ~する verb (irregular):

• to render futile; to bring to naught; to waste; to not make good use of

suffix noun:

• keep ...-ing; have been ...-ing; leaving (something) on; leaving (something) still in use - negative nuance, with the state being improper, unpleasant, etc. ➜ っ放し

expression:

• wrong; not good; of no use - also 中国 dial. - colloquialism ➜ 行けない【いけない】
• hopeless; past hope - colloquialism ➜ 行けない【いけない】
• must not do - colloquialism ➜ 行けない【いけない】

noun:

• O-saifu Keitai (brand name); wallet cell phone; mobile wallet; mobile phone equipped with a contactless IC card for ATM use, payments, etc.

noun:

• priority seat; courtesy seat; seat provided in trains, buses, etc. for the use of the disabled, young children, the elderly, pregnant women, etc.

noun:

• measured rate system; cost charged by quantity; pay-as-you-go; pay-for-use

expression / godan ~る verb:

• to impersonate someone; to go under a false name; to make fraudulent use of someone's name ➜ 騙る【かたる】

ichidan verb / intransitive verb:

• to be done; to be practiced; to be practised; to take place; to be held; to be prevalent; to be in fashion; to be in vogue; to be current; to come into use

noun / ~する noun:

• left behind (for later use)

noun:

• ijtihad (use of discretionary judgement in deducing a law not specified in scripture) - From Arabic

noun:

• single kanji dictionary (usu. for use in an Input Method)

noun:

• arrow (for use in battle)

noun:

• restrictive (use) - Linguistics term

noun:

• redundant keigo (i.e. improper use of the -rareru honorific form together with an honorific verb such as ossharu)

noun:

• light, thin, single-layer kimono (esp. from hemp or raw silk, for summer use)
• shroud; burial clothes - abbreviation ➜ 経帷子

noun:

• predicative (use); descriptive (use) - Linguistics term

~の noun:

• consumer (use)