TREMEN'DOUS, adjective [Latin tremendus, from tremo, to tremble.] 1. Such as may excite fear or terror; terrible; dreadful. Hence, 2. Violent; such as may astonish by its force and violence; as a tremendous wind; a tremendous shower; a tremendous shock or fall; a tremendous noise.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI