1. A content word that qualifies the meaning of a noun or verb
   "'Bright' is a modifier in 'The bright sun'";
   - qualifier
    
2. A person who changes something
   "an inveterate modifier of the menu";
   - changer
    
3. A gene that modifies the effect produced by another gene
   "Modifier genes can influence the expression of other genes, leading to variations in phenotype";
   - modifier gene

Derived forms: modifiers

Type of: actor, cistron, content word, doer, factor, gene, open-class word, worker

Part of: phrase

Encyclopedia: Modifier