Converse of object

• restrict: All cabins are air-conditioned and have spacious twin bunks with the exception of slightly restricted headroom.

• limit: The water level had been raised to allow the canoe to clear the orange sludge, also making headroom limited.

• reduce: Then again it has largely negated these advances by reducing headroom.

• provide: The top deck will be able to move independently from the lower deck, providing greater headroom between the decks.

• create: Creating headroom by cutting £ 160 million of cost out of the Supermarket business.

• give: Memory is cheap, sizes of 64 to 128 MB should also give headroom for large applications.

Preposition: between

• deck: The top deck will be able to move independently from the lower deck, providing greater headroom between the decks.

Adjective modifier

• restricted: Restricted headroom ( 6ft approx ) under the bridge over the lock.

• navigable: This culvert bridge would have to be rebuilt with navigable headroom.

• ample: Old River Nene: Floods Ferry to Marmont Priory 3 bridges; ample headroom.

• limited: Not suitable for use in vertical growing systems, sea of green systems or in any grow room with limited headroom.

• sufficient: All three bridges in the area have sufficient headroom for navigation.

• generous: Each unit is seriously over-engineered with generous headroom in all important areas.

Noun used with modifier

• navigation: Central navigation headroom at mean high water tide is 5.4 meters.

• standing: The wheelhouse, which can be enclosed or opened fully using four framed teak doors, allows full standing headroom.

• foot: The base of the tube opens out like an inverted mushroom to a chamber of 8 feet square with 5 feet headroom.

• meter: The new stair should have 2 meters headroom over the flight and any landings.

• performance: It provides considerable performance headroom for the most demanding departmental applications.

Preposition: in

• saloon: Headroom in the saloon is 6ft 2in ( 1.88 meters ).

Preposition: for

• growth: Even in London the recent strength of the market means that any headroom for above average growth is being rapidly used up.