Part of speech:
The definition of first is someone or something that happens or acts before any others.
Having a position in the lead; foremost:
Situated at the top:
Of, relating to, or making up a maximum:
Of the highest or greatest degree, amount, or intensity; most extreme:
Having a pitch corresponding to a relatively large number of sound-wave cycles per second:
Of or designating a partnership in which the liability of certain of its partners is limited to the amount of their individual investments
Find another word for topmost. In this page you can discover 14 synonyms, antonyms, idiomatic expressions, and related words for topmost, like: highest, uppermost, first, leading, loftiest, top, upmost, maximal, maximum, ultimate and utmost.