Also laisser-aller. [Fr.; as next + aller to go, i.e., let (persons or things) go.] Absence of restraint; unconstrained ease and freedom.
1842. Thackeray, Miss Löwe, Misc. Ess. (1885), 310. As Wilder said with some justice, though with a good deal too much laisser-aller of tongue. Ibid. (1862), Philip II., xxi. Sir John was constrained to confess that this young mans conduct showed a great deal too much laissez aller.
attrib. 1818. Lady S. Morgan, Flor. Macarthy, II. iii. 178. He found or fancied in her what he called the delicious laissez aller ease of a charming French woman.
1832. Ld. Lytton, Godolphin, xx. Those well-chosen laissez aller feasts.
1839. Dickens, Nich. Nick., Pref. A magnificent high-handed laissez-aller neglect.