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Lettris is a curious tetris-clone game where all the bricks have the same square shape but different content. Each square carries a letter. To make squares disappear and save space for other squares you have to assemble English words (left, right, up, down) from the falling squares.


Boggle gives you 3 minutes to find as many words (3 letters or more) as you can in a grid of 16 letters. You can also try the grid of 16 letters. Letters must be adjacent and longer words score better. See if you can get into the grid Hall of Fame !

English dictionary
Main references

Most English definitions are provided by WordNet .
English thesaurus is mainly derived from The Integral Dictionary (TID).
English Encyclopedia is licensed by Wikipedia (GNU).


Change the target language to find translations.
Tips: browse the semantic fields (see From ideas to words) in two languages to learn more.

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analogical dictionary

zoophyte - Parazoa, subkingdom Parazoa - phylum Porifera, Porifera - Metazoa, subkingdom Metazoa - Cnidaria, Coelenterata, phylum Cnidaria, phylum Coelenterata - class Scyphozoa, Scyphozoa - Chrysaora, genus Chrysaora - class Hydrozoa, Hydrozoa - order Siphonophora, Siphonophora - genus Physalia, Physalia - Actinozoa, Anthozoa, class Actinozoa, class Anthozoa - Actinaria, Actiniaria, order Actinaria, order Actiniaria - anemone, sea anemone - actinia, actinian, actiniarian - Actinia, genus Actinia - Alcyonaria, order Alcyonaria - Alcyonacea, suborder Alcyonacea - family Pennatulidae, Pennatulidae - sea pen - Gorgonacea, Gorgoniacea, suborder Gorgonacea, suborder Gorgoniacea - gorgonian, gorgonian coral - Acropora, genus Acropora - Fungia, genus Fungia - Ctenophora, phylum Ctenophora - comb jelly, ctenophore - class Nuda, Nuda - beroe - class Tentaculata, Tentaculata - Cydippea, Cydippida, Cydippidea, order Cydippea, order Cydippida, order Cydippidea - family Pleurobrachiidae, Pleurobrachiidae - genus Pleurobrachia, Pleurobrachia - Cestida, order Cestida - Cestidae, family Cestidae - Cestum, genus Cestum - Cestum veneris, Venus's girdle - Lobata, order Lobata - phylum Rotifera, Rotifera - rotifer - class Onychophora, Onychophora - onychophoran, peripatus, velvet worm - family Peripatidae, Peripatidae - family Peripatopsidae, Peripatopsidae - Phoronida, Phoronidea, phylum Phoronida - phoronid - Bryozoa, phylum Bryozoa, polyzoa - Ectoprocta, phylum Ectoprocta - Endoprocta, Entoprocta, phylum Entoprocta - Cycliophora, phylum Cycliophora - Symbion pandora - Brachiopoda, phylum Brachiopoda - phylum Sipuncula, Sipuncula - Echinodermata, phylum Echinodermata - echinoderm - Asteroidea, class Asteroidea - sea star, starfish - class Ophiuroidea, Ophiuroidea - Ophiurida, subclass Ophiurida - brittle star, brittle-star, serpent star - basket fish, basket star - class Echinoidea, Echinoidea - sea hedgehog, sea urchin, sea-urchin, urchin - order Spatangoida, Spatangoida - class Crinoidea, Crinoidea - Antedonidae, family Antedonidae - Antedon, genus Antedon - class Holothuroidea, Holothuroidea - holothurian, sea cucumber, sea-cucumber - genus Holothuria, Holothuria - Holothuria edulis, trepang[Domaine]