beat down, cast down, chill, damp, dampen, dampen the spirits, darken, dash, deject, demoralize, depress, discourage, dishearten, disparage, knock down, lower, lower the spirits, oppress, press down, sadden, sink, weigh heavy upon, weigh upon
dissuade, dehort, cry out against, remonstrate, expostulate, warn, contraindicate, disincline, indispose, shake, stagger, dispirit
, discourage, dishearten, deter, repress, hold back, keep back, render averse, repel, turn aside, wean from, act as a drag, throw cold water on, damp, cool, chill, blunt, calm, quiet, quench, deprecate, disenchant, disillusion, deflate, take down a peg, pop one's balloon, prick one's balloon, burst one's bubble, disabuse (correction).
be dejected, grieve, mourn, take on, give way, lose heart, despond, droop, sink, lower, look downcast, frown, pout, hang down the head, pull a long face, make a long face, laugh on the wrong side of the mouth, grin a ghastly smile, look blue, look like a drowned man, lay to heart, take to heart, mope, brood over, fret, sulk, pine, pine away, yearn, repine, despair, refrain from laughter, keep one's countenance, be grave, look grave, repress a smile, depress, discourage, dishearten, dispirit
, damp, dull, deject, lower, sink, dash, knock down, unman, prostrate, break one's heart, frown upon, cast a gloom, cast a shade on, sadden, damp one's hopes, dash one's hopes, wither one's hopes, weigh on the mind, lie heavy on the mind, prey on the mind, weigh on the spirits, lie heavy on the spirits, prey on the spirits, damp the spirits, depress the spirits.