I . a.
1.
Firm, solid, compact, impenetrable, unyielding, rigid.
2.
Difficult, embarrassing, perplexing, puzzling, knotty, intricate, understood with difficulty.
3.
Laborious, arduous, toilsome, fatiguing, wearying.
4.
Unfeeling, unkind, insensible, unsusceptible, cruel, oppressive, rigorous, exacting, severe, unyielding, inflexible, callous, obdurate, ~-hearted, unfeeling, unsympathetic.
5.
Grievous, distressing, calamitous, painful, disagreeable, unpleasant.
6.
Inclement, stormy, tempestuous, cold, severe.
7.
Harsh, rough, sour, acid.
8.
Coarse, unpalatable.
9.
Unfavorable, unprosperous, unpropitious.
10.
Stiff, constrained, forced, unnatural, ungraceful, rigid.
11.
Excessive, intemperate.
II . ad.
1.
Close, near.
2.
Laboriously, diligently, earnestly, incessantly, energetically.
3.
With difficult, not easily.
4.
Distressfully, painfully, severely, rigorously.
5.
Vehemently, forcibly, violently.