固める

かためる

to harden, to freeze, to fortify

JLPT N1

Character Breakdown

Meaning and Usage

The verb 固める (かためる) primarily means "to harden" or "to solidify." It can be used literally, such as hardening concrete or freezing something solid. It also has figurative uses, like strengthening relationships, consolidating opinions, or fortifying defenses.

Common Contexts

  • Construction or physical hardening: mixing or setting materials to become firm.
  • Social or emotional: strengthening bonds or unity within a group.
  • Mental or decision-making: firming up one's thoughts or plans before acting.

Collocations and Patterns

  • チームの結束を固める: to strengthen team unity.
  • 意見を固める: to solidify an opinion.
  • 土台を固める: to reinforce a foundation.

Register and Nuance

固める is generally neutral and can be used in both formal and informal contexts. It often implies a deliberate action to make something firm or certain. Learners should note it is a transitive verb, so it requires a direct object.

Common Mistakes

Avoid confusing 固める with 固まる (かたまる), which is the intransitive form meaning "to harden" or "to become firm." Remember 固める requires an object that is being hardened or solidified.

Example Sentences

こんくりーとをかためるために、しっかりとまぜるひつようがあります。

To harden the concrete, it needs to be mixed thoroughly.

かれはちーむのけっそくをかためるために、みーてぃんぐをひんぱんにひらいた。

He held frequent meetings to strengthen the team's unity.

かのじょはじぶんのいけんをかためてからはつげんした。

She spoke after solidifying her own opinion.