"Austerely" is a word in ENGLISH

Extremely rigid in self-denial and devotions; austere; severe.

Severe in modes of judging, or living, or acting; rigid; rigorous; stern; as, an austere man, look, life.

A supposititious code of severe laws for the regulation of religious and personal conduct in the colonies of Connecticut and …

Coldness or insensibility; severity or rigidity of character.

Too rigid; too severe.

Hence, not lax or indulgent; severe; inflexible; strict; as, a rigid father or master; rigid discipline; rigid criticism; a rigid …

Severity; rigor.

To examine rigidly, as a student; to subject to a severe examination.

Rigidly methodical, or adherent to rule or principle; exactly conformed to a standard; not allowing or employing unneccessary ornament, amplification, …

Any one or several species of swifts of the genus Acanthylis, or Chaetura, and allied genera, in which the shafts …

Having a certain hardness or severity of nature, manner, or aspect; hard; severe; rigid; rigorous; austere; fixed; unchanging; unrelenting; hence, …

Binding strongly; making strict requirements; restrictive; rigid; severe; as, stringent rules.

Any one of several species of plectognath fishes, belonging to the genus Ostracion, or the family Ostraciontidae, having an angular …