பொருள் : The principal character in a work of fiction.
ஒத்த சொற்கள் : protagonist
பொருள் : Someone involved in a contest or battle (as in an agon).
பொருள் : A muscle that contracts while another relaxes.
எடுத்துக்காட்டு :
When bending the elbow the biceps are the agonist.
பொருள் : (biochemistry) a drug that can combine with a receptor on a cell to produce a physiological reaction.