The story
From know-it-all + -ism.
Etymology from Wiktionary, CC BY-SA 4.0.
know-it-allism
Today it means: The attitude of a know-it-all. Full definition →
Today it means: The attitude of a know-it-all. Full definition →
From know-it-all + -ism.
Etymology from Wiktionary, CC BY-SA 4.0.