完封|かんぷうkanpuu[0]heiban (flat)

1. noun, suru verb, transitive verbtotal blockage; complete shutdown; stopping completely
2. noun, suru verb, transitive verb, baseballshutout

• Synonym封鎖ふうさNeutralBlockades roads, ports or funds, as in 「道路封鎖」; 「完封」 seals an opponent's actions completely and often refers to a baseball shutout.
• Synonym封じるふうじるNeutralSeals a letter shut, or blocks movement and forbids speech, as in 「動きを封じる」; 「完封」 stresses sealing thoroughly, and in baseball specifically means allowing no runs.
• Synonym封ずるふうずるWrittenA variant of 「封じる」, leaning written; it can seal a letter or forbid action. 「完封」 stresses sealing movement completely and is not used for sealing letters.
• Related断ち切るたちきるNeutralCuts or severs: breaks off ties and vicious cycles, or cuts a supply line. 「完封」 focuses on sealing an opponent's actions completely, often a baseball shutout.
• Related阻害そがいWrittenWritten style: hinders and harms its object — traffic, business, functions, enzyme activity. 「完封」 seals an opponent's actions completely, without implying damage.
• Related阻止そしNeutralPrevents an action from happening or brings it to a stop, as in 「侵入を阻止する」. 「完封」 focuses on sealing the opponent completely, plus the baseball shutout sense.
• Related妨害ぼうがいNeutralDisrupts or obstructs something in progress, often with malicious intent, as in 「業務妨害」. 「完封」 stresses sealing actions completely, not just creating obstacles.
• Related阻むはばむWrittenLeans written: blocks someone's advance or keeps them from doing something. 「完封」 stresses sealing actions thoroughly and leaving the opponent scoreless.
• Related抑えるおさえるNeutralRestrains emotions, controls costs or holds down an opponent, as in 「相手を抑える」. 「完封」 stresses sealing completely; in baseball it means giving up no runs.
• Related邪魔じゃまNeutralEveryday word for being in the way or a nuisance; can also name the obstacle itself, in speech and writing. 「完封」 seals actions completely — not for mere inconvenience.
• Related断つたつNeutralSevers ties or supply, or breaks a habit, as in 「酒を断つ」. 「完封」 is about sealing an action completely, not about cutting off a connection.
• Related遮断しゃだんWrittenWritten style: cuts off the flow of signals, traffic or electric current, as in 「通信遮断」. 「完封」 seals an opponent's actions completely; it never means cutting a flow.
• Related立ちはだかるたちはだかるNeutralBlocks the way ahead, or figuratively becomes an obstacle to progress. 「完封」 stresses sealing actions completely and does not picture anyone barring the way.
• Related拒むこばむNeutralTurns down requests or blocks entry. 「完封」 stresses sealing an opponent's actions completely, and in baseball can mean keeping the opponent scoreless.
• Related遮るさえぎるNeutralBlocks light, vision or the way ahead, or cuts into speech. 「完封」 stresses sealing an action completely; it is not a general term for blocking or shading.
• Related妨げるさまたげるNeutralHinders something in progress, possibly only slowing it rather than stopping it fully. 「完封」 stresses sealing the opponent's movements completely.
• Related立ちふさがるたちふさがるNeutralIntransitive: only depicts the act of standing in someone's way. 「完封」 describes the result of sealing an opponent's actions, and baseball shutouts.
• Related押さえつけるおさえつけるNeutralPresses down hard or forcibly suppresses activity. 「完封」 stresses the result of sealing completely, without limiting the means to physical suppression.
• Related塞くせくWrittenWritten-style word for damming a stream; often written 「堰く」, as in 「川を堰く」. Still current but only of water flow — unrelated to 「完封」's sealing of an opponent's actions.
• Antonym打ち崩しNeutralBaseball: batters wear down the opposing pitcher with consecutive hits — the offense's side. 「完封」 is the pitcher's feat; opposite sides, yet one team can have both.

Choose 「完封」 for completely sealing off an opponent's actions, or for a baseball shutout, as in 「完封勝利」. For blockading roads use 「封鎖」; for stopping an action from happening use 「阻止」; for cutting off traffic or signals use 「遮断」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 完全かんぜんに動うごきを封ふうじること。
2. （野球やきゅう、ソフトボール）投手とうしゅが相手あいてチームに点てんを与あたえないこと。