oiseu-x, -se, adj., indolent, idle, useless, trifling. Mener une vie —se; to live in idleness. Paroles —ses; idle words.

oisi-f, -ve, adj., idle, unoccupied; uninvested, lying dead (of money).

oisif, n.m., idler.

*oisillon, n.m., young bird, fledgling.

oisivement (oa-ziv-mān), adv., idly.

oisiveté (oa-ziv-té), n.f., idleness, indolence, ease; sloth. Croupir dans l’—; to be steeped, or to wallow, in indolence.

oison, n.m., gosling; ninny, simpleton.

oléagineu-x, -se, adj., oleaginous, oily.

oléandre, n.m., (bot.) oleander, rose-bay.

oléifère, adj., oil-bearing, oleiferous.