CAFFEINE Synonyms

• of or relating to or producing normal tone or tonus in muscles or tissue

• employing variations in pitch to distinguish meanings of otherwise similar words

• (used of syllables) bearing the principle stress, usually accompanied by a change in pitch

• lime- or lemon-flavored carbonated water containing quinine

• a sweet drink containing carbonated water and flavoring

• (music) the first note of a diatonic scale

• a medicine that strengthens and invigorates

• relating to or being the keynote of a major or minor scale

• imparting vitality and energy

• the topmost one of two; upper

• the higher of two berths

• piece of leather or synthetic material that forms the part of a shoe or boot above the sole that encases the foot

• a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression

• higher in place or position

• superior in rank or accomplishment

• anything with restorative powers

• a tonic or restorative (especially a drink of liquor)

• a drug that temporarily quickens some vital process

• a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects