1. Having no equal.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• periless,
• pearles,
• speehless,
• wierless,
• feerless,
• berless,
• peniless,
• perpess,
• neeless,
• peedles,
• perles,
• peerles,
• pwerless,
• peerrless,
• peereless,
• perless,
• teerless,
• pearless,
• pierless,
• petaless

• perilous,
• perleche,
• pearlescent,
• peralez,
• perilously,
• perales,
• powerless.

The adverb form of the word "peerless" is "peerlessly".

The adjective form of the word "peerless" is "peerless". The adjective form remains the same as the original word.

The plural form of the word "peerless" is "peerlesses".

The singular form of the word "peerless" is "peer"