1. To make known formally or officially. See synonyms at announce. 2. To state emphatically or authoritatively; affirm. 3. To reveal or make manifest; show. 4. To make a full statement of (dutiable goods, for example). 5.Games To designate (a trump suit or no-trump) with the final bid of a hand in bridge.
INTRANSITIVE VERB:
1. To make a declaration. 2. To proclaim one's support, choice, opinion, or resolution.
IDIOM:
declare war1. To state formally the intention to carry on armed hostilities against. 2. To state one's intent to suppress or eradicate: declared war on drug dealing in the neighborhood.
ETYMOLOGY:
Middle English declaren, from Old French declarer, from Latin dclrre : d-, intensive pref.; see de + clrre, to make clear (from clrus, clear; see kel-2 in Appendix I).