<p><strong>Verb (used with object)</strong></p><ul><li>To make full; put as much as can be held into: to fill a jar with water.</li><li>To occupy to the full capacity: Water filled the basin.</li><li>To supply to an extreme degree or plentifully: to fill a house with furniture; to fill the heart with joy.</li><li>To satisfy fully the hunger of; satiate: The roast beef filled the diners.</li><li>To put into a receptacle: to fill sand into a pail.</li><li>To be plentiful throughout: Fish filled the rivers.</li><li>To extend throughout; pervade completely: The odor filled the room.</li><li>To furnish with an occupant: The landlord filled the vacancy yesterday.</li><li>To provide (an office or opening) with an incumbent: The company is eager to fill the controllership.</li><li>To occupy and perform the duties of (a vacancy, position, post, etc.): They have already found someone to fill the position.</li><li>To supply the requirements or contents of (an order), as for goods; execute.</li><li>To supply (a blank space) with written matter, decorative work, etc.</li><li>To meet satisfactorily, as requirements: This book fills a great need.</li><li>To make up, compound, or otherwise provide the contents of (a medical prescription).</li><li>To stop up or close (a cavity, hole, etc.): to fill a tooth.</li><li>To insert a filling into: to fill cupcakes with custard.</li><li>To distend (a sail) by pressure of the wind so as to impart headway to a vessel.</li><li>To brace (a yard) so that the sail will catch the wind on its after side.</li><li>To adulterate: to fill soaps with water.</li><li>To build up the level of (an area) with earth, stones, etc.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>To become full: The hall filled rapidly.</li><li>Our eyes filled with tears.</li><li>To increase in atmospheric pressure: a filling cyclone.</li><li>To become distended, as sails with the wind.</li></ul><p><strong>Noun</strong></p><ul><li>A full supply; enough to satisfy want or desire: to eat one's fill.</li><li>An amount of something sufficient for filling; charge: The brigade had only one quarter of a fill of fuel.</li><li>Civil Engineering, Building Trades: a quantity of earth, stones, etc., for building up the level of an area of ground.</li></ul><p><strong>Verb Phrase</strong></p><ul><li>To complete (a document, list, etc.) by supplying missing or desired information: It takes about 35 minutes to fill out the forms for hospital admission.</li><li>To become larger, fuller, or rounder, as the figure: The children have begun to fill out since I saw them last.</li><li>To fill completely: to fill up a glass; to fill up a fuel tank.</li><li>To become completely filled: The riverbed filled up as a result of the steady rains.</li><li>To supply missing or desired information: He suggested you fill in the facts of your business experience.</li><li>To fill in the blank with the correct word.</li><li>To complete by adding detail, as a design or drawing: to fill in a sketch with shadow.</li><li>To substitute for: to fill in for a colleague who is ill.</li><li>To fill with some material: to fill in a crack with putty.</li><li>Informal: to supply (someone) with information: Please fill me in on the morning news.</li><li>Nautical: to fall off the wind and proceed on a board.</li><li>To brace the yards, so that sails that have been aback will stand full.</li></ul>