| 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 | YES |
| 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 | YES |
| Words With Friends 2000 | ENABLE2K | Worldwide | YES |
| Words With Friends 1997 (retired) | ENABLE1 | Worldwide | YES |
| Letterpress | Letterpress | Worldwide | YES |
| Yet Another Word List | YAWL | Worldwide | YES |
| Show more | |||
10
T1A1C3K5
Verb |
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| tack - fasten with tacks; "tack the notice on the board" | ||
| tack - turn into the wind; "The sailors decided to tack the boat"; "The boat tacked" | ||
| tack - create by putting components or members together; "She pieced a quilt"; "He tacked together some verses"; "They set up a committee" | ||
| tack - reverse (a direction, attitude, or course of action) | ||
| tack - fix to; attach; "append a charm to the necklace" | ||
| tack - sew together loosely, with large stitches; "baste a hem" | ||
Noun |
||
| tack - a short nail with a sharp point and a large head | ||
| tack - (nautical) the act of changing tack | ||
| tack - the heading or position of a vessel relative to the trim of its sails | ||
| tack - sailing a zigzag course | ||
| tack - gear for a horse | ||
| tack - (nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind |