Standard Lemma guide

well-grounded

adj · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

adj

Meaning 1

Of a person: having extensive knowledge of a subject.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: groundly

Antonyms: none provided

2

adj

Meaning 2

Of an argument, etc.: based on good judgment and solid reasoning.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: well-founded, on solid ground

Antonyms: ill-grounded, ill-founded, groundless, baseless, flimsy, unjustified

3

adjective satellite

Meaning 3

logically valid

Definition source: Princeton WordNet 3.0

Examples

  • a sound argument

Meaning relationships

Synonyms: reasoned, sound

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

6 source translations are retained for this English entry.

  • Bulgarian: ерудиран (erudiran) — having extensive knowledge of a subject
  • Finnish: perehtynyt — having extensive knowledge of a subject
  • Armenian: հիմնավոր (himnavor) — based on good judgment and solid reasoning
  • Bulgarian: обоснован (obosnovan) — based on good judgment and solid reasoning
  • Finnish: perusteltu — based on good judgment and solid reasoning
  • Finnish: aiheellinen — based on good judgment and solid reasoning