Lesson. Instruction, precept, doctrine, study; reproof, warning, rebuke, lecture, homily.
Ant. Misguidance, misinformation, deception.
Let. Permit, allow, suffer; rent, lease, hire out; assign, grant, give, contract.
Ant. Prevent, hinder, check, thwart; refuse, deny, withhold, withdraw.
Lethal. Fatal, deadly, mortal, poisonous, venomous, baneful, noxious.
Ant. Remedial, wholesome, salutary, vital, invigorating, restorative.
Lethargy. Drowsiness, torpor, swoon, trance, stupor, oblivion; indifference.
Ant. Alertness, liveliness, vigilance, wakefulness, life, activity, quickness; eagerness, attention, interest.
Letter. Epistle; mark, character; note, communication, message, missive; (pl.) erudition, learning.
Level, n. Plane; surface, floor; rank, standard, degree, position; ground; horizontality, equality, platform.