Fashion Design Vocabulary in English — 20 Essential Terms

Haute couture refers to high-end, custom-made fashion created to the exact measurements of an individual client, using the finest materials and largely handcrafted techniques. In France, the term is legally protected and can only be used by design houses that meet strict criteria set by the Fédération de la Haute Couture. A single couture garment may take hundreds of hours to make and cost tens of thousands of pounds. Ready-to-wear (prêt-à-porter) is produced in standardised sizes in factories and sold through retail stores. It is far more affordable and accessible, and it is where most fashion designers earn the majority of their revenue.

A toile is a test garment made in cheap, plain fabric — traditionally unbleached cotton muslin — used to check the fit, construction, and proportions of a design before cutting into the final fabric. Using a toile allows the designer and pattern cutter to identify problems with the fit, correct the seam allowances, refine the dart positions, and make sure the design achieves the intended silhouette, all without wasting expensive material. Alterations are marked directly on the toile in pen or chalk. Once the toile fits perfectly, the corrected markings are transferred back to the paper pattern, which is then used to cut the final fabric.

The bias cut is the technique of cutting fabric at a 45-degree angle to the warp and weft threads (the straight grain). When cut this way, woven fabrics have a natural elasticity and fluidity that they lack when cut on the straight grain. Bias-cut garments cling to and move with the body, creating a sensuous, liquid quality particularly valued in eveningwear and lingerie. The technique was famously pioneered and popularised by French designer Madeleine Vionnet in the 1920s and 1930s, and was prominently used in the gowns worn by Hollywood film stars of the era. It is more wasteful of fabric than straight-grain cutting.

Draping is the process of creating a garment's design by arranging and pinning fabric directly onto a dress form or body, allowing the designer to see immediately how the cloth behaves and how the silhouette develops in three dimensions. It is intuitive, tactile, and responsive to the fabric's natural fall. Pattern cutting (also called flat pattern making), by contrast, involves creating a technical two-dimensional blueprint of every piece of the garment on paper, which is then transferred to fabric for cutting and sewing. Many designers use both methods: draping to explore and develop ideas, and pattern cutting to refine and document the final design for production.

The silhouette is the overall shape or outline of a garment, typically seen as a dark shape against a light background. In fashion, it is considered the most fundamental element of design because it is the first thing a viewer perceives and it defines the entire character of a look. Fashion history is often told through the evolution of silhouettes: the structured hourglass of the 1950s, the boxy A-line of the 1960s, the relaxed and oversized shapes of the 1980s. Designers use silhouette to make the first and strongest visual statement about their collection, often referring to classic silhouette archetypes — A-line, column, trapeze, cocoon — as starting points.

An atelier is a fashion workshop or studio where garments are designed, patterned, cut, hand-stitched, and finished. In haute couture, an atelier is typically staffed by highly skilled specialist workers: petites mains (seamstresses), embroiderers, feather workers, hat makers, and other craftspeople. Major Paris couture houses often work with independent specialist ateliers — such as Lemarié for feathers and flowers, or Lud Fil for embroidery — that have preserved unique craft skills over generations. The word “atelier” implies a commitment to artisanal quality that distinguishes handmade couture from mass-produced fashion.

Grading is the technical process of scaling a pattern up or down from the original sample size to produce a range of commercial sizes. It is not simply a matter of uniformly enlarging or reducing the pattern; different parts of the body grow at different rates between sizes, so each piece must be adjusted by specific amounts at specific points to maintain the garment's intended fit and proportions across the size range. Grading was traditionally done by hand by highly skilled technicians, but is now largely performed using specialist computer-aided design (CAD) software, which dramatically reduces the time required and improves consistency.

These two related terms describe different things. Drape (as a noun) refers to the quality of how a fabric falls, flows, or hangs when worn or placed over a form — a property of the fabric itself. Fabrics with good drape, such as silk, viscose, and jersey, flow softly and cling elegantly; stiffer fabrics, such as denim, heavy wool, or canvas, hold their shape rather than flowing. Draping (as a verb/gerund) describes the design technique of arranging fabric on a dress form to create a garment. So a designer might use draping as a technique specifically because they want to see how a fabric's drape quality will work in a design.

A capsule collection is a small, tightly curated selection of garments — typically 10–15 pieces — designed to work together and provide a functional, versatile wardrobe. The concept was popularised by designer Donna Karan in the 1980s with her “Seven Easy Pieces” collection. Capsule collections have become particularly popular in the sustainable fashion movement because they encourage consumers to buy fewer, better-quality items that serve many purposes rather than acquiring large quantities of fast-fashion pieces. They are also commercially effective for brands, as tightly edited collections are easier to market and communicate than large, complex ranges.

Immerse yourself in authentic fashion content in English. Read designer interviews and collection reviews in English-language fashion magazines and websites, which use the vocabulary on this page naturally and consistently. Watching fashion documentaries and behind-the-scenes content from major fashion weeks will let you hear the terms spoken in context. If you are studying fashion practically, making a habit of labelling your own design processes in English — naming the technique when you make a dart, cut on the bias, or construct a toile — reinforces the vocabulary through direct action. Practise with Flash Cards on LexFizz, then test yourself with Matching Pairs.