congratulatory

adjective

expressing or conveying congratulations: a congratulatory telegram.

Origin:
1515–25; < Medieval Latin congrātulātōrius, equivalent to Latin congrātulā(rī) (see congratulate) + -tōrious -tory¹

Related forms

non·con·grat·u·la·to·ry, adjective

qua·si-con·grat·u·la·to·ry, adjective

un·con·grat·u·la·to·ry, adjective

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World English Dictionary

congratulate (kənˈɡrætjʊˌleɪt)

—vb
1.	(usually foll by on) to communicate pleasure, approval, or praise to (a person or persons); compliment
2.	(often foll by on) to consider (oneself) clever or fortunate (as a result of): she congratulated herself on her tact
3.	obsolete to greet

[C16: from Latin congrātulārī, from grātulārī to rejoice, from grātus pleasing]

congratu'lation

—n

con'gratulator

—n

con'gratulatory

—*adj*

con'gratulative

—*adj*

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00:10

Congratulatory has a plethora of syllables.

So is cyclotrimethylenetrinitramine. Does it mean: