INDEFECTIBLE Synonyms: 101 Similar and Opposite Words

indefectible

adjective

ˌin-di-ˈfek-tə-bəl

Definition of indefectible

as in perfect

being entirely without fault or flaw the indefectible logic of the polemist's arguments

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Recent Examples of Synonyms for indefectible

Adjective

In comparison, the Sparks, without an offensive rebound until the end of the third quarter, were forced to make perfect shots, though that was far from the team’s grasp.

— Liana Handler, Los Angeles Times, 7 July 2026
While no missile defense system offers perfect protection, modern layered architectures have significantly improved the ability to detect, track, and intercept increasingly sophisticated threats.

— Kaif Shaikh, Interesting Engineering, 6 July 2026

Definition of perfect

Adjective

As a bonus, those seasons are ideal for planting a replacement shrub or re-establishing a lawn if it is damaged during the shrub removal.

— Mary Marlowe Leverette, Southern Living, 5 July 2026
Arc On Ear is designed to combine precision headphone correction with advanced physical modeling to recreate how real studio monitors behave in an ideal acoustic space.

— Mark Sparrow, Forbes.com, 5 July 2026

Definition of ideal

Adjective

Because autonomous agents execute end-to-end business logic, deployment requires a flawless blend of operational domain expertise (business) and systemic oversight (IT).

— Barney Krishnan, Forbes.com, 1 July 2026
The fluffy brush made with vegan bristles is angled for flawless foundation application.

— Tessa Petak, InStyle, 27 June 2026

Definition of flawless

Adjective

While San Francisco’s bullpen is struggling, Rogers is in the midst of another excellent season after signing a three-year, $37 million deal to join the defending American League champions.

— Justice delos Santos, Mercury News, 7 July 2026
Guests can borrow, for no charge, one of four Mate e-bikes for spins around the park or beyond, say to Tanimachi nearby for local neighborhood vibes, including charming izakayas, gyoza shops, and excellent, one-woman restaurants such as Tachiaoi.

— Kathryn Romeyn, Travel + Leisure, 7 July 2026

Definition of excellent

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indefectibility

indefectible

indefensible

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“Indefectible.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/indefectible. Accessed 7 Jul. 2026.

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Synonyms of indefectible

adjective

Example Sentences

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