M'ARVELOUS, adjective 1. Wonderful; strange; exciting wonder or some degree of surprise. This is the Lord's doing; it is marvelous in our eyes. Psalms 118:1. 2. Surpassing credit; incredible. 3. The marvelous in writings, is that which exceeds natural power, or is preternatural; opposed to probable. 4. Formerly used adverbially for wonderfully, exceedingly.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI