了りょう解かい

りょ

う

か

い

Common wordJLPTN1Freq.FrequencyTop 5,000

了解する · noun or participle which takes 'suru'

Meanings

Used for grasping a situation or giving consent. Often used in formal or business contexts to acknowledge information or agree to a plan.

Interjection used as an acknowledgment, especially in radio communication or casual confirmation. Equivalent to 'roger' or 'copy that'.

〈人ひと〉の了りょう解かいを得えるto obtain someone's consent/understanding
上じょう司しの了りょう解かいを得えてから出しゅっ張ちょうの日にっ程ていを変へん更こうした。
I changed the business trip schedule after getting my boss's approval.
了りょう解かいですgot it; roger that (casual acknowledgment)
「五ご時じに集しゅう合ごうね」「了りょう解かいです」
"Let's meet at five." "Got it."
〈事こと〉について了りょう解かいするto come to an understanding/agreement about something
契けい約やくの内ない容ようについて双そう方ほうが了りょう解かいした。
Both parties came to an understanding about the terms of the contract.
〈人ひと〉に了りょう解かいを求もとめるto ask someone for their consent
計けい画かくを進すすめる前まえに関かん係けい者しゃに了りょう解かいを求もとめた。
Before moving forward with the plan, I asked the stakeholders for their consent.

承しょう知ちN3sense 1
承知 sounds more formal and deferential when accepting a request, while 了解 is a neutral acknowledgment often seen as too casual toward superiors.
了りょう承しょうN2sense 1
了承 is slightly more formal than 了解 and is typically used when officially approving someone's request or proposal.
納なっ得とくN3sense 1
納得 stresses being convinced or satisfied by a reason, whereas 了解 simply means understanding or acknowledging information.
かしこまりましたN4
了解 is a casual, often workplace-slang way to acknowledge instructions, while 畏まりました is the highly polite, deferential version used in service settings.

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ＯＫN1
了解 specifically signals that a message or instruction has been understood and accepted, while ＯＫ can also mean simple approval or acceptability of a state.
理り解かいN3
了解 often means acknowledging or confirming that one understands (as in giving consent or a go-ahead), while 理解 focuses on the mental process of comprehension itself.

誤ご解かいN3sense 1
誤解 means a mistaken understanding, the opposite of 了解's correct grasp of a situation.

承しょう知ちpolite 丁寧語N3sense 2
承知 is the more polite word businesspeople use with superiors or customers, while 了解 can sound too casual in the same situations.

Sino-Japanese word from 了 (completion, understanding) and 解 (untie, solve). The combination conveys the idea of fully grasping or resolving a matter.