See list of percussion instruments by type for some shorter, more focused lists. Use the sorting arrows on the common usage column to group instruments as pitched, unpitched or both. Use the sorting arrows on the Classification column to group instruments according to their HornbostelâSachs classification. 1 Percussion instruments.
uncertainty, doubt, dubiety, skepticism, suspicion, mistrust mean lack of sureness about someone or something. uncertainty may range from a falling short of certainty to an almost complete lack of conviction or knowledge especially about an outcome or result.
noun perÂ·sisÂ·tence \pÉr-Ësis-tÉn(t)s, -Ëzis-\. Tweet. : the quality that allows someone to continue doing something or trying to do something even though it is difficult or opposed by other people. : the state of occurring or existing beyond the usual, expected, or normal time.ull Definition of PERSISTENCE. 1. : the action or fact of persisting. 2. : the quality or state of being persistent; especially: perseverance. See persistence defined for English-language learners. See persistence defined for kids. ADVERTISEMENT.