1. (n.) Harmony; agreement; concord; union.
2. (n.) Identity in pitch; coincidence of sounds proceeding from an equality in the number of vibrations made in a given time by two or more sonorous bodies. Parts played or sung in octaves are also said to be in unison, or in octaves.
3. (n.) A single, unvaried.
4. (n.) Sounding alone.
5. (n.) Sounded alike in pitch; unisonant; unisonous; as, unison passages, in which two or more parts unite in coincident sound.
Thesaurus Entries
acclamation, accompaniment, accord, accordance, affinity, agape, agreement, agreement of all, amity, assent, attune, attunement, bonds of harmony, brotherly love, cantata, caritas, cement of friendship, charity, chime, chiming, choral singing, chorus, coetaneity, coetaneousness, coevalneity, coevalness, coexistence, coherence, coincidence, common assent, common consent, communion, community, community of interests, compatibility, concentus, concert, concomitance, concord, concordance, concurrence, conformance, conformation, conformity, congeniality, congruence, congruency, congruity, consensus, consensus gentium, consensus of opinion, consensus omnium, consent, consentaneity, consistency, consonance, consonancy, consonant, consort, contemporaneity, contemporaneousness, cooperation, correspondence, diapason, empathy, equivalence, esprit, esprit de corps, euphony, feeling of identity, fellow feeling, fellowship, frictionlessness, general acclamation, general agreement, general consent, general voice, glee, good vibes, good vibrations, happy family, harmonics, harmonious, harmony, heavy harmony, homophony, identity, in harmony, intersection, isochronism, kinship, like-mindedness, love, madrigal, madrigaletto, meeting of minds, monochord, monody, mutual understanding, mutuality, one accord, one voice, oneness, oratorio, overlap, parallelism, peace, rapport, rapprochement, reciprocity, same mind, self-consistency, sharing, simultaneity, single voice, solidarity, symmetry, sympathy, symphony, sync, synchronism, synchronization, tally, team spirit, three-part harmony, timing, together, total agreement, tune, unanimity, unanimousness, understanding, uniformity, union, unisonance, unity, universal agreement
