| Dictionary | Name | Region | Valid |
|---|---|---|---|
| Offcl. Scrabble Pl. Dict. & Offcl. Scrabble Words | SOWPODS | International / UK / Australia | YES |
| NASPA Word List 2020 | NWL2020 | USA / Canada / Thailand | YES |
| NASPA Word List 2018 | NWL2018 | USA / Canada / Thailand | YES |
| Tournament Word List 2016 | TWL16 | USA / Canada / Thailand | YES |
| Tournament Word List 2014 | TWL14 | USA / Canada / Thailand | YES |
| Tournament Word List 2006 | TWL06 | USA / Canada / Thailand | YES |
| Tournament Word List 1998 | TWL98 | USA / Canada / Thailand | NO |
| Collins Scrabble Words 2019 | CSW19 | International / UK / Australia | YES |
| Collins Scrabble Words 2015 | CSW15 | International / UK / Australia | YES |
| Collins Scrabble Words 2012 | CSW12 | International / UK / Australia | YES |
| Collins Scrabble Words 2007 | CSW07 | International / UK / Australia | YES |
| Offcl. Scrabble Players Dictionary | OSPD4 | USA / Canada / Thailand | YES |
| Australian Primary Schools | OWL2 | Australia | YES |
| Australian Primary Schools | OWL1 | Australia | NO |
| Words With Friends 2000 | ENABLE2K | Worldwide | YES |
| Words With Friends 1997 (retired) | ENABLE1 | Worldwide | NO |
| Letterpress | Letterpress | Worldwide | YES |
| Yet Another Word List | YAWL | Worldwide | YES |
| Show more | |||
14
F4I1R1E1W4A1L1L1
Verb |
||
| firewall - To protect with a firewall. | ||
| firewall - To block with a firewall. | ||
| firewall - To use maximum acceleration. | ||
Noun |
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| firewall - (colloquial) the application of maximum thrust; "he moved the throttle to the firewall" | ||
| firewall - (computing) a security system consisting of a combination of hardware and software that limits the exposure of a computer or computer network to attack from crackers; commonly used on local area networks that are connected to the internet | ||
| firewall - a fireproof (or fire-resistant) wall designed to prevent the spread of fire through a building or a vehicle |