Synonyms of the word

severely

• adv. In a severe manner.

badly

• adj. (Northern England) Ill, unwell.
• adv. In a bad manner.
• adv. Very much; to a great degree.

gravely

• adv. In a grave or serious manner.
• adj. Characterised by gravel, pebbles, or small stones.

hard

• adj. (of material or fluid) Having a severe property; presenting difficulty.
• adj. (personal or social) Having a severe property; presenting difficulty.
• adj. Unquestionable.
• adj. (of a road intersection) Having a comparatively larger or a ninety-degree angle.
• adj. (slang, vulgar, of a male) Sexually aroused.
• adj. (bodybuilding) Having muscles that are tightened as a result of intense, regular exercise.
• adj. (phonetics, not comparable).
• adj. (art) Having a severe property; presenting a barrier to enjoyment.
• adj. (not comparable) In the form of a hard copy.
• adv. (manner) With much force or effort.
• adv. (manner) With difficulty.
• adv. (obsolete) So as to raise difficulties.
• adv. (manner) Compactly.
• adv. (now archaic) Near, close.
• n. (countable, nautical) A firm or paved beach or slope convenient for hauling vessels out of the water.
• n. (uncountable, drugs, colloquial, slang) crack cocaine.

seriously

• adv. (manner) In a serious or literal manner.
• adv. (speech act) Used to attempt to introduce a serious point in a less serious conversation.
• adv. (speech act) Used to call back to a previous point, either in disbelief or emphasis.

sternly

• adv. In a stern manner.