Synonymer till trillsubstantiv(a note that alternates rapidly with another note a semitone above it) shake; trill(the articulation of a consonant (especially the consonant `r') with a rapid flutter of the tongue against the palate or uvula) trillverb(pronounce with a trill, of the phoneme `r') trill(sing or play with trills, alternating with the half note above or below) warble; quaver; trill