warranty

（製品の）保証；保証書

入試の言い換え

• guarantee 保証 — ほぼ同義。より一般的
• assurance 保証；確約 — 抽象的な「約束」
• coverage 補償範囲 — 保証・保険がカバーする範囲
• promise to repair or replace 修理・交換の約束 — 説明的な言い換え

TOEIC の製品説明・修理依頼（Part 7）で頻出。設問「What is true about the product?」→「It is covered by a guarantee.」のように warranty → guarantee の言い換えが定番。

warranty の類語

guarantee, assurance, coverage, promise to repair or replace, warrant, certification, security, guaranty, certificate, pledge, bill of health, diploma, word, authority, affidavit, ticket, witness, sworn statement, credential, visa, certificate of proficiency, oath, sheepskin, enabling, authorization, word of honor, fiat, note, vow, insurance, deposition, voucher, notarized statement, faith, promise, stocks and bonds, bond, surety, tie, testimonial, deposit, solemn declaration, attestation, bail, clearance, parole, entitlement, plight, sanction, warrantee, ratification, indemnity, vise, undertaking, troth, empowerment, stock warrant, countenance, enfranchisement, avouchment

warranty の反意語

insecurity

warranty の言い換えを探すには

warranty（保証）の類語・言い換え（パラフレーズ）を、日本語訳つきで関連度順に並べています。入試で狙われる言い換えパターン、ニュアンスの違い、語源、日本人がやりがちなワナも解説。英作文の語彙を増やしたいとき、長文読解で本文と選択肢の言い換えを見抜きたいときに使えます。