ludicrous (adjective) ludicrous: absurd, ridiculous
Sinonime: all in, beat*, bleary, bone-weary, bushed, crippled, dead tired, dead*, debilitated, disabled, dog-tired, done for, done in, drained, effete, enervated, fatigued, frazzled, had it, kaput, limp, out on one's feet, outta gas, prostrated, ready to drop, run-down, rundown, sapped, shot*, spent, wasted*, weak, weakened, wearied, weariful,
weary, worn, worn out, worn-down, worn-out
Antonime: logical,
reasonable,
sensible