nonchalance Synonyms

unconcern indifference lack of formality recklessness impassiveness heedlessness sloppiness self-possession sang-froid poise pococurantism passivity numbness neutrality negligence neglect lukewarmness listlessness acedia carelessnesses lack of concern casual attitude unflappability offhandedness impassability easygoingness haphazardness imperturbableness imperturbability insensitivity insensitiveness callousness comatoseness emotionlessness naturalness laxness insouciance detachment coolness cool composure collectedness coldness casualness carelessness calm breeziness aplomb apathy anorexy