Do you change tack or tact? Although some believe the word tact is short for tactics in phrases like "change tact" or "try a different tact," the correct word in such contexts is tack.

Phrasal verb tack on (Definition of tack from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

TACK definition: a short, sharp-pointed nail, usually with a flat, broad head. See examples of tack used in a sentence.

Define tack. tack synonyms, tack pronunciation, tack translation, English dictionary definition of tack. n. 1. A short, light nail with a sharp point and a flat head.

If you tack pieces of material together, you sew them together with big, loose stitches in order to hold them firmly or check that they fit, before sewing them properly.

Dec 14, 2025 · tack (countable and uncountable, plural tacks) A small nail with a flat head.

Definition of tack noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Naval Terms to change the course of a sailing vessel by bringing the head into the wind and then causing it to fall off on the other side: He ordered us to tack at once.

A tack is a small, sharp pin or nail with a wide head. You can use tacks to attach your flyers to the telephone poles in your neighborhood. As a verb, tack means "attach using a tack," and also, …

TACK meaning: 1 : a small, sharp nail usually with a wide, flat head; 2 : thumbtack