Berikut ini adalah penjelasan tentang keras dalam Kamus Indonesia-Inggris
1 hard (not soft). 2 (Phys.) solid state. 3 tight, not flexible, taut. 4 strong. 5 hard (with effort). 6 gruff (speech, attitude). 7 loud (voice, etc.). 8 stern, stringent (measures). 9 seriously.
adv; vb1; vb2; vb3; vb.ing = hard; ossify; ossified; ossified; ossifying