noiseless C2+ Topic:Describing Qualities US /ˈnɔɪzləs/ UK /ˈnɔɪzləs/ See IPA manual Meanings 1 adj making or accompanied by no sound The cat crossed the room with a noiseless, gliding step. Thesaurus Synonyms 1 adj · making or accompanied by no... silentsoundlessquiethushedstillinaudible ↔ Opposites noisyloudclamorous Word family Forms noiselesslynoiselessness Derived forms noiselesslynoiselessness Related forms noisenoisynoisome Etymology AI details From noise + -less; noise from Old French noise ('din, quarrel'), perhaps from Latin nausea ('seasickness') or noxia ('harm'). noise Old French -less Old English View etymology graph -> Topics Describing Qualities Word Formation & Derivatives External links Google Images Cambridge Dictionary Wiktionary # noiseless **Type:** Word **Level:** C2+ **Part of speech:** adj **IPA (US):** /ˈnɔɪzləs/ **IPA (UK):** /ˈnɔɪzləs/ ## Meanings 1. making or accompanied by no sound ## Examples - The cat crossed the room with a noiseless, gliding step. ## Synonyms - silent - soundless - quiet - hushed - still - inaudible ## Antonyms - noisy - loud - clamorous ## Derived Forms - noiselessly - noiselessness ## Related Forms - noise - noisy - noisome ## Roots and Affixes - Root: noise - Root: -less ## Etymology From noise + -less; noise from Old French noise ('din, quarrel'), perhaps from Latin nausea ('seasickness') or noxia ('harm'). ## AI Etymology Noiseless comes from noise + -less; noise from Old French noise ('din, quarrel'), perhaps from Latin nausea ('seasickness') or noxia ('harm'). The suffix is part of the word's derivational shape, marking the final grammatical or semantic role while the base supplies the central meaning. As an adjective, it carries the sense "making or accompanied by no sound", with the older formation still helping explain the modern use. Relevant historical forms include Old French noise and Old English -less. Derivative forms include noiselessly, noiselessness; related words include noise, noisy, noisome. ## Topics - Describing Qualities - Word Formation & Derivatives markdown