SELF-ASSURANCE, SELF-ASSURED
ADJECTIVES
► COOL BREEZE self-assured, sophisticated → 1960s sl., orig. US
► IN A ZONE self-assured, confident → 1990s sl.
NOUNS
► PERKNESS self-assurance, presumption → 1640 obs.
VERBS
► WALK HEAVY to walk about in a deliberately self-assured manner; to behave in a self-important and self-assured manner → 1960s African-American sl.