Soundly

adv

adv ·2 syllables ·Uncommon ·Advanced level

Definitions

Adverb
  1. 1
    In a thorough manner; in manner free of defect or deficiency.

    "He was soundly thrashed by the semi-professional boxer."

Adverb
  1. 1
    completely and absolutely (‘good’ is sometimes used informally for ‘thoroughly’) wordnet
  2. 2
    deeply or completely wordnet

Synonyms

All synonyms
absolutelyall ends upaltogethercategoricallycompletelycompletely

Antonyms

All antonyms
partly

Example

More examples

"The baby was sleeping soundly in his mother's arms."

Etymology

From Middle English soundly, soundely, from Old English ġesundlīċe (“safely, prosperously, gladly”), equivalent to sound + -ly. Originally meaning "safely", the present sense came in the 16ᵗʰ century.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.