| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | twofold |
| Synonyms: | binate, double, doubled, dual, paired, twice |
| Antonyms: | lone, single, singular |
| Main Entry: | dual |
| Part of Speech: | adjective |
| Definition: | two-fold |
| Synonyms: | bifold, binal, binary, coupled, double, doubleheader, duple, duplex, duplicate, matched, paired, twin |
| Main Entry: | numeric/numerical |
| Part of Speech: | adjective |
| Definition: | concerning mathematics |
| Synonyms: | algebraic, algorithmic, arithmetic, arithmetical, binary, differential, digital, exponent, exponential, fraction, fractional, integral, logarithm, logarithmic, mathematical, numeral, numerary, statistical |
| Antonyms: | alphabetic, alphabetical |
| Main Entry: | twin |
| Part of Speech: | adjective |
| Definition: | duplicate, similar |
| Synonyms: | accompanying, bifold, binary, copied, corresponding, coupled, double, dual, duplicating, geminate, identical, joint, like, matched, matching, paired, parallel, same, second, selfsame, twofold, very same |
| Antonyms: | dissimilar, individual, singular, unlike |
| Main Entry: | numeric |
| Part of Speech: | adjective |
| Definition: | mathematical |
| Synonyms: | arithmetic, arithmetical, binary, differential, digital, exponent, exponential, fraction, fractional, integrated, logarithm, logarithmic, mathematical, numeral, numerary, numerical, statistical |
| Main Entry: | paired |
| Part of Speech: | adjective |
| Definition: | in a pair |
| Synonyms: | binary, dichotomized, double, mated |
| Main Entry: | two |
| Part of Speech: | noun |
| Definition: | two of something |
| Synonyms: | bifurcation, bilaterality, binary, brace, couple, deuce, dichotomy, diremption, dos, double, doublet, dual, duality, duet, duplexity, duplicity, dyad, pair, span, team, twain, twin, twins |
| Main Entry: | two |
| Part of Speech: | adjective |
| Definition: | having two of something |
| Synonyms: | amphibian, amphibious, bicameral, bifurcate, bigeminal, bilateral, binal, binary, bipartisan, bipartite, bisected, dichotomic, dichotomous, diploid, distichous, dual, dualistic, dyadic |
| Main Entry: | twofold |
| Part of Speech: | adjective |
| Definition: | having more than one and less than three |
| Synonyms: | bifold, binal, binary, diploid, double, dual, duple, duplex, duplicate, paired |