Noun

• S: (n) ordinal number, ordinal, no. (the number designating place in an ordered sequence)
• direct hyponym / full hyponym
• S: (n) first, number one, number 1 (the first element in a countable series) "the first of the month"
• direct hypernym / inherited hypernym / sister term
• S: (n) ordinal number, ordinal, no. (the number designating place in an ordered sequence)
• S: (n) number (a concept of quantity involving zero and units) "every number has a unique position in the sequence"
• S: (n) definite quantity (a specific measure of amount)
• S: (n) measure, quantity, amount (how much there is or how many there are of something that you can quantify)
• S: (n) abstraction, abstract entity (a general concept formed by extracting common features from specific examples)
• S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
• direct hypernym / inherited hypernym / sister term
• derivationally related form