| airsick | (adjective) experiencing motion sickness | Synonyms: air sick, carsick, seasick |
|---|
| athirst | (adjective) (usually followed by `for') extremely desirous | Synonyms: hungry, thirsty |
|---|
| backstairs | (adjective) secret and sly or sordid | Synonyms: backstair, furtive |
|---|
| bloodthirsty | (adjective) marked by eagerness to resort to violence and bloodshed | Synonyms: bloody-minded, sanguinary |
|---|
| downstairs | (adjective) on or of lower floors of a building | Synonyms: downstair |
|---|
| first | (adjective) preceding all others in time or space or degree | Synonyms: 1st |
|---|
| (adjective) highest in pitch or chief among parts or voices or instruments or orchestra sections | - |
| (adjective) ranking above all others | Synonyms: foremost, world-class |
| (adjective) serving to begin | Synonyms: beginning |
| (adjective) serving to set in motion | Synonyms: inaugural, initiative, initiatory, maiden |
| firstborn | (adjective) first in order of birth | Synonyms: eldest |
|---|
| firsthand | (adjective) received directly from a source | - |
|---|
| hairsplitting | (adjective) developed in excessively fine detail | Synonyms: finespun |
|---|
| headfirst | (adjective) with the head foremost | Synonyms: headlong |
|---|
| hirsute | (adjective) having or covered with hair | Synonyms: haired, hairy |
|---|
| thirsty | (adjective) feeling a need or desire to drink | - |
|---|
| (adjective) able to take in large quantities of moisture | - |
| (adjective) (usually followed by `for') extremely desirous | Synonyms: athirst, hungry |
| (adjective) needing moisture | - |
| upstairs | (adjective) on or of upper floors of a building | Synonyms: upstair |
|---|