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1. Being in agreement or accord: remarks consonant with our own beliefs.
2. Corresponding or alike in sound, as words or syllables.
3. Harmonious in sound or tone.
1. A speech sound produced by a partial or complete obstruction of the air stream by any of various constrictions of the speech organs, such as (p), (f), (r), (w), and (h).
2. A letter or character representing such a speech sound.
[Middle English, from Old French, from Latin cōnsonāns, cōnsonant-, present participle of cōnsonāre, to agree : com-, com- + sonāre, to sound; see swen- in Indo-European roots.]