Standard Lemma guide

baseless

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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /ˈbeɪsləs/
  • US: Recorded audio is listed in the source snapshot.
  • homophone: bassless
  • CMU ARPABET: B EY1 S L AH0 S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Of reasoning: based on something that is not true, or not based on solid reasons or facts; unfounded; without a basis.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Examples

  • baseless accusations; baseless rumors

Meaning relationships

Synonyms: groundless, unfounded, unsupported

Antonyms: none provided

2

adj

Meaning 2

Without a physical base.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective satellite

Meaning 3

without a basis in reason or fact

Definition source: Princeton WordNet 3.0

Examples

  • baseless gossip
  • the allegations proved groundless
  • idle fears
  • unfounded suspicions
  • unwarranted jealousy

Meaning relationships

Synonyms: groundless, idle, unfounded, unwarranted, wild

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *gwem- Proto-Indo-European *-tis Proto-Indo-European *gwémtis Proto-Hellenic *gwə́tis Ancient Greek βᾰ́σῐς (bắsĭs)bor. Latin basis Old French basebor. Middle English base English base Proto-Indo-European *lewh1- Proto-Indo-European *lewHs-der. Proto-Germanic *leusaną Proto-Germanic *lausaz Proto-Germanic *-lausaz Proto-West Germanic *-laus Old English -lēas Middle English -les English -less English baseless From base + -less.