Ichidan verb, transitive verb

  1. to harden, to freeze, to strengthen, to solidify, to make (a fist), to tramp down (snow, dirt).
  2. to put together, to collect, to gather, to consolidate.
  3. to make secure, to stabilize, to settle down, to strengthen (belief, resolution, etc.), to establish (evidence).
  4. to fortify, to reinforce, to support.
  5. to wear for a specific purpose (armor, coat, etc.). In the form に身をかためる.
  6. to swear, to resolutely vow, to sincerely promise.
  7. to tie tightly, to fasten.
  8. to hold a bow fully drawn.

Variations

Pronunciation Kanji Kana Is Common
 
 
固める かためる
 
 
堅める かためる

Contained Kanji Breakdown

harden, set, clot
かた.める コ (4th, N2)
box, box or enclosure radical (no. 31)
イ コク (Kentei 1)
old
コ ふる.い ふゆ (2nd, N4)
ten
ジュウ ジッ ジュッ (1st, N5)
mouth
くち コウ ク (1st, N4)