Standard Lemma guide

sealion

noun · verb · 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.

  • /ˈsiːlaɪən/
  • Australia: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

Alternative form of sea lion.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative, uncommon

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

One who engages in sealioning.

Definition source: English Wiktionary via Wiktextract

Usage: Internet, derogatory

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: sealioner

Antonyms: none provided

3

verb

Meaning 3

To intrude on a conversation with probing questions in an attempt to engage in unwanted debate, usually disingenuously as a form of harassment or trolling.

Definition source: English Wiktionary via Wiktextract

Usage: Internet, derogatory

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

The verb is from “The Terrible Sea Lion”, a 2014 strip in the webcomic Wondermark, in which a character expresses a dislike of sea lions and a passing sea lion repeatedly, intrusively asks the character to justify this.